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Finding the Fourth Proportional to 472,261.90, 708,392.85 and 156,729.10

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Solution

The fourth proportional to 472,261.90, 708,392.85 and 156,729.10 is: 235,093.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,261.90 : 708,392.85 = 156,729.10 : x
  2. Step 2: Convert to fraction form
    472,261.90/708,392.85 = 156,729.10/x
  3. Step 3: Cross multiply
    472,261.90x = 708,392.85 × 156,729.10
  4. Step 4: Simplify right side
    472,261.90x = 111,025,773,826.94
  5. Step 5: Solve for x
    x = 111,025,773,826.94/472,261.90
  6. Step 6: Final answer
    x = 235,093.65

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