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Finding the Fourth Proportional to 79,322.89, 109,465.28 and 49,102.19

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Solution

The fourth proportional to 79,322.89, 109,465.28 and 49,102.19 is: 67,760.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,322.89 : 109,465.28 = 49,102.19 : x
  2. Step 2: Convert to fraction form
    79,322.89/109,465.28 = 49,102.19/x
  3. Step 3: Cross multiply
    79,322.89x = 109,465.28 × 49,102.19
  4. Step 4: Simplify right side
    79,322.89x = 5,374,984,976.96
  5. Step 5: Solve for x
    x = 5,374,984,976.96/79,322.89
  6. Step 6: Final answer
    x = 67,760.83

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