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Finding the Fourth Proportional to 322,611.31, 483,818.55 and 85,923.19

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Solution

The fourth proportional to 322,611.31, 483,818.55 and 85,923.19 is: 128,858.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,611.31 : 483,818.55 = 85,923.19 : x
  2. Step 2: Convert to fraction form
    322,611.31/483,818.55 = 85,923.19/x
  3. Step 3: Cross multiply
    322,611.31x = 483,818.55 × 85,923.19
  4. Step 4: Simplify right side
    322,611.31x = 41,571,233,197.17
  5. Step 5: Solve for x
    x = 41,571,233,197.17/322,611.31
  6. Step 6: Final answer
    x = 128,858.57

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