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Finding the Fourth Proportional to 12,515.31, 18,779.22 and 5,849.01

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Solution

The fourth proportional to 12,515.31, 18,779.22 and 5,849.01 is: 8,776.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515.31 : 18,779.22 = 5,849.01 : x
  2. Step 2: Convert to fraction form
    12,515.31/18,779.22 = 5,849.01/x
  3. Step 3: Cross multiply
    12,515.31x = 18,779.22 × 5,849.01
  4. Step 4: Simplify right side
    12,515.31x = 109,839,845.57
  5. Step 5: Solve for x
    x = 109,839,845.57/12,515.31
  6. Step 6: Final answer
    x = 8,776.44

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