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Finding the Fourth Proportional to 135,859.80, 203,886.90 and 57,030.60

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Solution

The fourth proportional to 135,859.80, 203,886.90 and 57,030.60 is: 85,586.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,859.80 : 203,886.90 = 57,030.60 : x
  2. Step 2: Convert to fraction form
    135,859.80/203,886.90 = 57,030.60/x
  3. Step 3: Cross multiply
    135,859.80x = 203,886.90 × 57,030.60
  4. Step 4: Simplify right side
    135,859.80x = 11,627,792,239.14
  5. Step 5: Solve for x
    x = 11,627,792,239.14/135,859.80
  6. Step 6: Final answer
    x = 85,586.70

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