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Finding the Fourth Proportional to 79,235.72, 109,346.15 and 43,424.96

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Solution

The fourth proportional to 79,235.72, 109,346.15 and 43,424.96 is: 59,926.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,235.72 : 109,346.15 = 43,424.96 : x
  2. Step 2: Convert to fraction form
    79,235.72/109,346.15 = 43,424.96/x
  3. Step 3: Cross multiply
    79,235.72x = 109,346.15 × 43,424.96
  4. Step 4: Simplify right side
    79,235.72x = 4,748,352,189.90
  5. Step 5: Solve for x
    x = 4,748,352,189.90/79,235.72
  6. Step 6: Final answer
    x = 59,926.91

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