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Finding the Fourth Proportional to 92,817.36, 128,088.05 and 50,375.91

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Solution

The fourth proportional to 92,817.36, 128,088.05 and 50,375.91 is: 69,518.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,817.36 : 128,088.05 = 50,375.91 : x
  2. Step 2: Convert to fraction form
    92,817.36/128,088.05 = 50,375.91/x
  3. Step 3: Cross multiply
    92,817.36x = 128,088.05 × 50,375.91
  4. Step 4: Simplify right side
    92,817.36x = 6,452,552,078.88
  5. Step 5: Solve for x
    x = 6,452,552,078.88/92,817.36
  6. Step 6: Final answer
    x = 69,518.81

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