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Finding the Fourth Proportional to 104,740.59, 144,540.80 and 56,993.12

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Solution

The fourth proportional to 104,740.59, 144,540.80 and 56,993.12 is: 78,649.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,740.59 : 144,540.80 = 56,993.12 : x
  2. Step 2: Convert to fraction form
    104,740.59/144,540.80 = 56,993.12/x
  3. Step 3: Cross multiply
    104,740.59x = 144,540.80 × 56,993.12
  4. Step 4: Simplify right side
    104,740.59x = 8,237,831,227.96
  5. Step 5: Solve for x
    x = 8,237,831,227.96/104,740.59
  6. Step 6: Final answer
    x = 78,649.84

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