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Finding the Fourth Proportional to 239,960, 359,940 and 64,856

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Solution

The fourth proportional to 239,960, 359,940 and 64,856 is: 97,284

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,960 : 359,940 = 64,856 : x
  2. Step 2: Convert to fraction form
    239,960/359,940 = 64,856/x
  3. Step 3: Cross multiply
    239,960x = 359,940 × 64,856
  4. Step 4: Simplify right side
    239,960x = 23,344,268,640
  5. Step 5: Solve for x
    x = 23,344,268,640/239,960
  6. Step 6: Final answer
    x = 97,284

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