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Finding the Fourth Proportional to 472,306.60, 708,395.10 and 156,730.60

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Solution

The fourth proportional to 472,306.60, 708,395.10 and 156,730.60 is: 235,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,306.60 : 708,395.10 = 156,730.60 : x
  2. Step 2: Convert to fraction form
    472,306.60/708,395.10 = 156,730.60/x
  3. Step 3: Cross multiply
    472,306.60x = 708,395.10 × 156,730.60
  4. Step 4: Simplify right side
    472,306.60x = 111,027,189,060.06
  5. Step 5: Solve for x
    x = 111,027,189,060.06/472,306.60
  6. Step 6: Final answer
    x = 235,074.40

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