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Finding the Fourth Proportional to 472,496.80, 708,291.60 and 156,791.20

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Solution

The fourth proportional to 472,496.80, 708,291.60 and 156,791.20 is: 235,036.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,496.80 : 708,291.60 = 156,791.20 : x
  2. Step 2: Convert to fraction form
    472,496.80/708,291.60 = 156,791.20/x
  3. Step 3: Cross multiply
    472,496.80x = 708,291.60 × 156,791.20
  4. Step 4: Simplify right side
    472,496.80x = 111,053,889,913.92
  5. Step 5: Solve for x
    x = 111,053,889,913.92/472,496.80
  6. Step 6: Final answer
    x = 235,036.28

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