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Finding the Fourth Proportional to 115,518.54, 159,408.09 and 67,116.18

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Solution

The fourth proportional to 115,518.54, 159,408.09 and 67,116.18 is: 92,615.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,518.54 : 159,408.09 = 67,116.18 : x
  2. Step 2: Convert to fraction form
    115,518.54/159,408.09 = 67,116.18/x
  3. Step 3: Cross multiply
    115,518.54x = 159,408.09 × 67,116.18
  4. Step 4: Simplify right side
    115,518.54x = 10,698,862,061.90
  5. Step 5: Solve for x
    x = 10,698,862,061.90/115,518.54
  6. Step 6: Final answer
    x = 92,615.97

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