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Finding the Fourth Proportional to 96,731.60, 133,472.76 and 54,291.92

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Solution

The fourth proportional to 96,731.60, 133,472.76 and 54,291.92 is: 74,913.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,731.60 : 133,472.76 = 54,291.92 : x
  2. Step 2: Convert to fraction form
    96,731.60/133,472.76 = 54,291.92/x
  3. Step 3: Cross multiply
    96,731.60x = 133,472.76 × 54,291.92
  4. Step 4: Simplify right side
    96,731.60x = 7,246,492,408.10
  5. Step 5: Solve for x
    x = 7,246,492,408.10/96,731.60
  6. Step 6: Final answer
    x = 74,913.39

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