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Finding the Fourth Proportional to 92,765.52, 128,122.92 and 61,076.16

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Solution

The fourth proportional to 92,765.52, 128,122.92 and 61,076.16 is: 84,355.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,765.52 : 128,122.92 = 61,076.16 : x
  2. Step 2: Convert to fraction form
    92,765.52/128,122.92 = 61,076.16/x
  3. Step 3: Cross multiply
    92,765.52x = 128,122.92 × 61,076.16
  4. Step 4: Simplify right side
    92,765.52x = 7,825,255,961.59
  5. Step 5: Solve for x
    x = 7,825,255,961.59/92,765.52
  6. Step 6: Final answer
    x = 84,355.22

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