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Finding the Fourth Proportional to 66,535.20, 99,875.70 and 41,603.40

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Solution

The fourth proportional to 66,535.20, 99,875.70 and 41,603.40 is: 62,450.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,535.20 : 99,875.70 = 41,603.40 : x
  2. Step 2: Convert to fraction form
    66,535.20/99,875.70 = 41,603.40/x
  3. Step 3: Cross multiply
    66,535.20x = 99,875.70 × 41,603.40
  4. Step 4: Simplify right side
    66,535.20x = 4,155,168,697.38
  5. Step 5: Solve for x
    x = 4,155,168,697.38/66,535.20
  6. Step 6: Final answer
    x = 62,450.68

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