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Finding the Fourth Proportional to 88,803.40, 133,032.30 and 53,638.60

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Solution

The fourth proportional to 88,803.40, 133,032.30 and 53,638.60 is: 80,353.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,803.40 : 133,032.30 = 53,638.60 : x
  2. Step 2: Convert to fraction form
    88,803.40/133,032.30 = 53,638.60/x
  3. Step 3: Cross multiply
    88,803.40x = 133,032.30 × 53,638.60
  4. Step 4: Simplify right side
    88,803.40x = 7,135,666,326.78
  5. Step 5: Solve for x
    x = 7,135,666,326.78/88,803.40
  6. Step 6: Final answer
    x = 80,353.53

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