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Finding the Fourth Proportional to 18,692.13, 28,048.67 and 9,926.82

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Solution

The fourth proportional to 18,692.13, 28,048.67 and 9,926.82 is: 14,895.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,692.13 : 28,048.67 = 9,926.82 : x
  2. Step 2: Convert to fraction form
    18,692.13/28,048.67 = 9,926.82/x
  3. Step 3: Cross multiply
    18,692.13x = 28,048.67 × 9,926.82
  4. Step 4: Simplify right side
    18,692.13x = 278,434,016.45
  5. Step 5: Solve for x
    x = 278,434,016.45/18,692.13
  6. Step 6: Final answer
    x = 14,895.79

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