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Finding the Fourth Proportional to 92,798.87, 128,064.92 and 50,357.43

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Solution

The fourth proportional to 92,798.87, 128,064.92 and 50,357.43 is: 69,494.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,798.87 : 128,064.92 = 50,357.43 : x
  2. Step 2: Convert to fraction form
    92,798.87/128,064.92 = 50,357.43/x
  3. Step 3: Cross multiply
    92,798.87x = 128,064.92 × 50,357.43
  4. Step 4: Simplify right side
    92,798.87x = 6,449,019,992.57
  5. Step 5: Solve for x
    x = 6,449,019,992.57/92,798.87
  6. Step 6: Final answer
    x = 69,494.60

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