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Finding the Fourth Proportional to 72,403.44, 108,572.52 and 25,645.68

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Solution

The fourth proportional to 72,403.44, 108,572.52 and 25,645.68 is: 38,456.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,403.44 : 108,572.52 = 25,645.68 : x
  2. Step 2: Convert to fraction form
    72,403.44/108,572.52 = 25,645.68/x
  3. Step 3: Cross multiply
    72,403.44x = 108,572.52 × 25,645.68
  4. Step 4: Simplify right side
    72,403.44x = 2,784,416,104.71
  5. Step 5: Solve for x
    x = 2,784,416,104.71/72,403.44
  6. Step 6: Final answer
    x = 38,456.96

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