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Finding the Fourth Proportional to 91,305.10, 136,763.88 and 59,603.14

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Solution

The fourth proportional to 91,305.10, 136,763.88 and 59,603.14 is: 89,278.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,305.10 : 136,763.88 = 59,603.14 : x
  2. Step 2: Convert to fraction form
    91,305.10/136,763.88 = 59,603.14/x
  3. Step 3: Cross multiply
    91,305.10x = 136,763.88 × 59,603.14
  4. Step 4: Simplify right side
    91,305.10x = 8,151,556,686.58
  5. Step 5: Solve for x
    x = 8,151,556,686.58/91,305.10
  6. Step 6: Final answer
    x = 89,278.22

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