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Finding the Fourth Proportional to 8,779.75, 13,171.92 and 2,623.75

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Solution

The fourth proportional to 8,779.75, 13,171.92 and 2,623.75 is: 3,936.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779.75 : 13,171.92 = 2,623.75 : x
  2. Step 2: Convert to fraction form
    8,779.75/13,171.92 = 2,623.75/x
  3. Step 3: Cross multiply
    8,779.75x = 13,171.92 × 2,623.75
  4. Step 4: Simplify right side
    8,779.75x = 34,559,825.10
  5. Step 5: Solve for x
    x = 34,559,825.10/8,779.75
  6. Step 6: Final answer
    x = 3,936.31

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