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Finding the Fourth Proportional to 84,929.76, 117,092.88 and 54,660.96

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Solution

The fourth proportional to 84,929.76, 117,092.88 and 54,660.96 is: 75,361.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,929.76 : 117,092.88 = 54,660.96 : x
  2. Step 2: Convert to fraction form
    84,929.76/117,092.88 = 54,660.96/x
  3. Step 3: Cross multiply
    84,929.76x = 117,092.88 × 54,660.96
  4. Step 4: Simplify right side
    84,929.76x = 6,400,409,229.96
  5. Step 5: Solve for x
    x = 6,400,409,229.96/84,929.76
  6. Step 6: Final answer
    x = 75,361.21

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