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Finding the Fourth Proportional to 104,080.65, 143,634.78 and 63,786.63

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Solution

The fourth proportional to 104,080.65, 143,634.78 and 63,786.63 is: 88,027.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,080.65 : 143,634.78 = 63,786.63 : x
  2. Step 2: Convert to fraction form
    104,080.65/143,634.78 = 63,786.63/x
  3. Step 3: Cross multiply
    104,080.65x = 143,634.78 × 63,786.63
  4. Step 4: Simplify right side
    104,080.65x = 9,161,978,566.99
  5. Step 5: Solve for x
    x = 9,161,978,566.99/104,080.65
  6. Step 6: Final answer
    x = 88,027.68

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