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Finding the Fourth Proportional to 77,885.28, 116,793.36 and 48,301.92

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Solution

The fourth proportional to 77,885.28, 116,793.36 and 48,301.92 is: 72,431.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,885.28 : 116,793.36 = 48,301.92 : x
  2. Step 2: Convert to fraction form
    77,885.28/116,793.36 = 48,301.92/x
  3. Step 3: Cross multiply
    77,885.28x = 116,793.36 × 48,301.92
  4. Step 4: Simplify right side
    77,885.28x = 5,641,343,531.25
  5. Step 5: Solve for x
    x = 5,641,343,531.25/77,885.28
  6. Step 6: Final answer
    x = 72,431.45

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