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Finding the Fourth Proportional to 54,242.99, 81,372.18 and 16,806

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Solution

The fourth proportional to 54,242.99, 81,372.18 and 16,806 is: 25,211.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,242.99 : 81,372.18 = 16,806 : x
  2. Step 2: Convert to fraction form
    54,242.99/81,372.18 = 16,806/x
  3. Step 3: Cross multiply
    54,242.99x = 81,372.18 × 16,806
  4. Step 4: Simplify right side
    54,242.99x = 1,367,540,857.08
  5. Step 5: Solve for x
    x = 1,367,540,857.08/54,242.99
  6. Step 6: Final answer
    x = 25,211.39

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