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Finding the Fourth Proportional to 104,064.53, 143,609.07 and 56,317.91

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Solution

The fourth proportional to 104,064.53, 143,609.07 and 56,317.91 is: 77,718.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,064.53 : 143,609.07 = 56,317.91 : x
  2. Step 2: Convert to fraction form
    104,064.53/143,609.07 = 56,317.91/x
  3. Step 3: Cross multiply
    104,064.53x = 143,609.07 × 56,317.91
  4. Step 4: Simplify right side
    104,064.53x = 8,087,762,679.44
  5. Step 5: Solve for x
    x = 8,087,762,679.44/104,064.53
  6. Step 6: Final answer
    x = 77,718.73

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