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Finding the Fourth Proportional to 92,876.88, 128,168.97 and 50,435.72

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Solution

The fourth proportional to 92,876.88, 128,168.97 and 50,435.72 is: 69,600.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,876.88 : 128,168.97 = 50,435.72 : x
  2. Step 2: Convert to fraction form
    92,876.88/128,168.97 = 50,435.72/x
  3. Step 3: Cross multiply
    92,876.88x = 128,168.97 × 50,435.72
  4. Step 4: Simplify right side
    92,876.88x = 6,464,293,642.76
  5. Step 5: Solve for x
    x = 6,464,293,642.76/92,876.88
  6. Step 6: Final answer
    x = 69,600.68

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