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Finding the Fourth Proportional to 8,789.56, 13,189.53 and 3,246.82

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Solution

The fourth proportional to 8,789.56, 13,189.53 and 3,246.82 is: 4,872.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.56 : 13,189.53 = 3,246.82 : x
  2. Step 2: Convert to fraction form
    8,789.56/13,189.53 = 3,246.82/x
  3. Step 3: Cross multiply
    8,789.56x = 13,189.53 × 3,246.82
  4. Step 4: Simplify right side
    8,789.56x = 42,824,029.79
  5. Step 5: Solve for x
    x = 42,824,029.79/8,789.56
  6. Step 6: Final answer
    x = 4,872.15

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