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Finding the Fourth Proportional to 277,978.32, 416,962.62 and 67,618.08

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Solution

The fourth proportional to 277,978.32, 416,962.62 and 67,618.08 is: 101,425.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,978.32 : 416,962.62 = 67,618.08 : x
  2. Step 2: Convert to fraction form
    277,978.32/416,962.62 = 67,618.08/x
  3. Step 3: Cross multiply
    277,978.32x = 416,962.62 × 67,618.08
  4. Step 4: Simplify right side
    277,978.32x = 28,194,211,796.17
  5. Step 5: Solve for x
    x = 28,194,211,796.17/277,978.32
  6. Step 6: Final answer
    x = 101,425.94

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