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Finding the Fourth Proportional to 659,639.52, 989,500.30 and 238,919.04

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Solution

The fourth proportional to 659,639.52, 989,500.30 and 238,919.04 is: 358,393.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,639.52 : 989,500.30 = 238,919.04 : x
  2. Step 2: Convert to fraction form
    659,639.52/989,500.30 = 238,919.04/x
  3. Step 3: Cross multiply
    659,639.52x = 989,500.30 × 238,919.04
  4. Step 4: Simplify right side
    659,639.52x = 236,410,461,755.71
  5. Step 5: Solve for x
    x = 236,410,461,755.71/659,639.52
  6. Step 6: Final answer
    x = 358,393.42

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