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Finding the Fourth Proportional to 79,411.08, 109,589.64 and 43,603.56

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Solution

The fourth proportional to 79,411.08, 109,589.64 and 43,603.56 is: 60,174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,411.08 : 109,589.64 = 43,603.56 : x
  2. Step 2: Convert to fraction form
    79,411.08/109,589.64 = 43,603.56/x
  3. Step 3: Cross multiply
    79,411.08x = 109,589.64 × 43,603.56
  4. Step 4: Simplify right side
    79,411.08x = 4,778,498,443.12
  5. Step 5: Solve for x
    x = 4,778,498,443.12/79,411.08
  6. Step 6: Final answer
    x = 60,174.20

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