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Finding the Fourth Proportional to 36,309.75, 54,443.11 and 13,822.12

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Solution

The fourth proportional to 36,309.75, 54,443.11 and 13,822.12 is: 20,724.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,309.75 : 54,443.11 = 13,822.12 : x
  2. Step 2: Convert to fraction form
    36,309.75/54,443.11 = 13,822.12/x
  3. Step 3: Cross multiply
    36,309.75x = 54,443.11 × 13,822.12
  4. Step 4: Simplify right side
    36,309.75x = 752,519,199.59
  5. Step 5: Solve for x
    x = 752,519,199.59/36,309.75
  6. Step 6: Final answer
    x = 20,724.99

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