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Finding the Fourth Proportional to 86,606.40, 119,450.62 and 59,793.78

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Solution

The fourth proportional to 86,606.40, 119,450.62 and 59,793.78 is: 82,469.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,606.40 : 119,450.62 = 59,793.78 : x
  2. Step 2: Convert to fraction form
    86,606.40/119,450.62 = 59,793.78/x
  3. Step 3: Cross multiply
    86,606.40x = 119,450.62 × 59,793.78
  4. Step 4: Simplify right side
    86,606.40x = 7,142,404,093.14
  5. Step 5: Solve for x
    x = 7,142,404,093.14/86,606.40
  6. Step 6: Final answer
    x = 82,469.70

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