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Finding the Fourth Proportional to 29,199.92, 43,779.11 and 13,985.06

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Solution

The fourth proportional to 29,199.92, 43,779.11 and 13,985.06 is: 20,967.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,199.92 : 43,779.11 = 13,985.06 : x
  2. Step 2: Convert to fraction form
    29,199.92/43,779.11 = 13,985.06/x
  3. Step 3: Cross multiply
    29,199.92x = 43,779.11 × 13,985.06
  4. Step 4: Simplify right side
    29,199.92x = 612,253,503.80
  5. Step 5: Solve for x
    x = 612,253,503.80/29,199.92
  6. Step 6: Final answer
    x = 20,967.65

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