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Finding the Fourth Proportional to 53,135.40, 79,703.10 and 36,546.60

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Solution

The fourth proportional to 53,135.40, 79,703.10 and 36,546.60 is: 54,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,135.40 : 79,703.10 = 36,546.60 : x
  2. Step 2: Convert to fraction form
    53,135.40/79,703.10 = 36,546.60/x
  3. Step 3: Cross multiply
    53,135.40x = 79,703.10 × 36,546.60
  4. Step 4: Simplify right side
    53,135.40x = 2,912,877,314.46
  5. Step 5: Solve for x
    x = 2,912,877,314.46/53,135.40
  6. Step 6: Final answer
    x = 54,819.90

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