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Finding the Fourth Proportional to 18,465.56, 27,692.40 and 7,932.72

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Solution

The fourth proportional to 18,465.56, 27,692.40 and 7,932.72 is: 11,896.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,465.56 : 27,692.40 = 7,932.72 : x
  2. Step 2: Convert to fraction form
    18,465.56/27,692.40 = 7,932.72/x
  3. Step 3: Cross multiply
    18,465.56x = 27,692.40 × 7,932.72
  4. Step 4: Simplify right side
    18,465.56x = 219,676,055.33
  5. Step 5: Solve for x
    x = 219,676,055.33/18,465.56
  6. Step 6: Final answer
    x = 11,896.53

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