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Finding the Fourth Proportional to 92,860.96, 128,150.72 and 50,422.08

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Solution

The fourth proportional to 92,860.96, 128,150.72 and 50,422.08 is: 69,583.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,860.96 : 128,150.72 = 50,422.08 : x
  2. Step 2: Convert to fraction form
    92,860.96/128,150.72 = 50,422.08/x
  3. Step 3: Cross multiply
    92,860.96x = 128,150.72 × 50,422.08
  4. Step 4: Simplify right side
    92,860.96x = 6,461,625,855.90
  5. Step 5: Solve for x
    x = 6,461,625,855.90/92,860.96
  6. Step 6: Final answer
    x = 69,583.88

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