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Finding the Fourth Proportional to 104,405.66, 144,079.91 and 56,659.01

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Solution

The fourth proportional to 104,405.66, 144,079.91 and 56,659.01 is: 78,189.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,405.66 : 144,079.91 = 56,659.01 : x
  2. Step 2: Convert to fraction form
    104,405.66/144,079.91 = 56,659.01/x
  3. Step 3: Cross multiply
    104,405.66x = 144,079.91 × 56,659.01
  4. Step 4: Simplify right side
    104,405.66x = 8,163,424,057.79
  5. Step 5: Solve for x
    x = 8,163,424,057.79/104,405.66
  6. Step 6: Final answer
    x = 78,189.48

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