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Finding the Fourth Proportional to 115,603.70, 173,463.15 and 65,722.10

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Solution

The fourth proportional to 115,603.70, 173,463.15 and 65,722.10 is: 98,615.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,603.70 : 173,463.15 = 65,722.10 : x
  2. Step 2: Convert to fraction form
    115,603.70/173,463.15 = 65,722.10/x
  3. Step 3: Cross multiply
    115,603.70x = 173,463.15 × 65,722.10
  4. Step 4: Simplify right side
    115,603.70x = 11,400,362,490.62
  5. Step 5: Solve for x
    x = 11,400,362,490.62/115,603.70
  6. Step 6: Final answer
    x = 98,615.90

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