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Finding the Fourth Proportional to 65,999.40, 99,047.70 and 26,584.80

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Solution

The fourth proportional to 65,999.40, 99,047.70 and 26,584.80 is: 39,896.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,999.40 : 99,047.70 = 26,584.80 : x
  2. Step 2: Convert to fraction form
    65,999.40/99,047.70 = 26,584.80/x
  3. Step 3: Cross multiply
    65,999.40x = 99,047.70 × 26,584.80
  4. Step 4: Simplify right side
    65,999.40x = 2,633,163,294.96
  5. Step 5: Solve for x
    x = 2,633,163,294.96/65,999.40
  6. Step 6: Final answer
    x = 39,896.78

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