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Finding the Fourth Proportional to 472,287.10, 708,365.85 and 156,711.10

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Solution

The fourth proportional to 472,287.10, 708,365.85 and 156,711.10 is: 235,045.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,287.10 : 708,365.85 = 156,711.10 : x
  2. Step 2: Convert to fraction form
    472,287.10/708,365.85 = 156,711.10/x
  3. Step 3: Cross multiply
    472,287.10x = 708,365.85 × 156,711.10
  4. Step 4: Simplify right side
    472,287.10x = 111,008,791,555.94
  5. Step 5: Solve for x
    x = 111,008,791,555.94/472,287.10
  6. Step 6: Final answer
    x = 235,045.15

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