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Finding the Fourth Proportional to 277,659.18, 416,488.79 and 67,297.12

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Solution

The fourth proportional to 277,659.18, 416,488.79 and 67,297.12 is: 100,945.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,659.18 : 416,488.79 = 67,297.12 : x
  2. Step 2: Convert to fraction form
    277,659.18/416,488.79 = 67,297.12/x
  3. Step 3: Cross multiply
    277,659.18x = 416,488.79 × 67,297.12
  4. Step 4: Simplify right side
    277,659.18x = 28,028,496,079.28
  5. Step 5: Solve for x
    x = 28,028,496,079.28/277,659.18
  6. Step 6: Final answer
    x = 100,945.68

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