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Finding the Fourth Proportional to 472,607.60, 708,976.20 and 157,031.60

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Solution

The fourth proportional to 472,607.60, 708,976.20 and 157,031.60 is: 235,568.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,607.60 : 708,976.20 = 157,031.60 : x
  2. Step 2: Convert to fraction form
    472,607.60/708,976.20 = 157,031.60/x
  3. Step 3: Cross multiply
    472,607.60x = 708,976.20 × 157,031.60
  4. Step 4: Simplify right side
    472,607.60x = 111,331,667,047.92
  5. Step 5: Solve for x
    x = 111,331,667,047.92/472,607.60
  6. Step 6: Final answer
    x = 235,568.93

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