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Finding the Fourth Proportional to 54,940.84, 82,410.62 and 13,387.84

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Solution

The fourth proportional to 54,940.84, 82,410.62 and 13,387.84 is: 20,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,940.84 : 82,410.62 = 13,387.84 : x
  2. Step 2: Convert to fraction form
    54,940.84/82,410.62 = 13,387.84/x
  3. Step 3: Cross multiply
    54,940.84x = 82,410.62 × 13,387.84
  4. Step 4: Simplify right side
    54,940.84x = 1,103,299,816.28
  5. Step 5: Solve for x
    x = 1,103,299,816.28/54,940.84
  6. Step 6: Final answer
    x = 20,081.60

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