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Finding the Fourth Proportional to 18,692.28, 28,033.62 and 5,541.66

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Solution

The fourth proportional to 18,692.28, 28,033.62 and 5,541.66 is: 8,311.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,692.28 : 28,033.62 = 5,541.66 : x
  2. Step 2: Convert to fraction form
    18,692.28/28,033.62 = 5,541.66/x
  3. Step 3: Cross multiply
    18,692.28x = 28,033.62 × 5,541.66
  4. Step 4: Simplify right side
    18,692.28x = 155,352,790.61
  5. Step 5: Solve for x
    x = 155,352,790.61/18,692.28
  6. Step 6: Final answer
    x = 8,311.07

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