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Finding the Fourth Proportional to 104,261.44, 143,876.93 and 56,513.76

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Solution

The fourth proportional to 104,261.44, 143,876.93 and 56,513.76 is: 77,986.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,261.44 : 143,876.93 = 56,513.76 : x
  2. Step 2: Convert to fraction form
    104,261.44/143,876.93 = 56,513.76/x
  3. Step 3: Cross multiply
    104,261.44x = 143,876.93 × 56,513.76
  4. Step 4: Simplify right side
    104,261.44x = 8,131,026,291.56
  5. Step 5: Solve for x
    x = 8,131,026,291.56/104,261.44
  6. Step 6: Final answer
    x = 77,986.90

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