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Finding the Fourth Proportional to 54,295.11, 81,422.70 and 18,747.42

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Solution

The fourth proportional to 54,295.11, 81,422.70 and 18,747.42 is: 28,114.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,295.11 : 81,422.70 = 18,747.42 : x
  2. Step 2: Convert to fraction form
    54,295.11/81,422.70 = 18,747.42/x
  3. Step 3: Cross multiply
    54,295.11x = 81,422.70 × 18,747.42
  4. Step 4: Simplify right side
    54,295.11x = 1,526,465,554.43
  5. Step 5: Solve for x
    x = 1,526,465,554.43/54,295.11
  6. Step 6: Final answer
    x = 28,114.24

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