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Finding the Fourth Proportional to 99,697.11, 137,577.16 and 59,409.98

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Solution

The fourth proportional to 99,697.11, 137,577.16 and 59,409.98 is: 81,982.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,697.11 : 137,577.16 = 59,409.98 : x
  2. Step 2: Convert to fraction form
    99,697.11/137,577.16 = 59,409.98/x
  3. Step 3: Cross multiply
    99,697.11x = 137,577.16 × 59,409.98
  4. Step 4: Simplify right side
    99,697.11x = 8,173,456,324.06
  5. Step 5: Solve for x
    x = 8,173,456,324.06/99,697.11
  6. Step 6: Final answer
    x = 81,982.88

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