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Finding the Fourth Proportional to 92,381.76, 127,486.89 and 49,940.28

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Solution

The fourth proportional to 92,381.76, 127,486.89 and 49,940.28 is: 68,917.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,381.76 : 127,486.89 = 49,940.28 : x
  2. Step 2: Convert to fraction form
    92,381.76/127,486.89 = 49,940.28/x
  3. Step 3: Cross multiply
    92,381.76x = 127,486.89 × 49,940.28
  4. Step 4: Simplify right side
    92,381.76x = 6,366,730,982.93
  5. Step 5: Solve for x
    x = 6,366,730,982.93/92,381.76
  6. Step 6: Final answer
    x = 68,917.62

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