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Finding the Fourth Proportional to 104,254.29, 143,871.18 and 56,507.59

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Solution

The fourth proportional to 104,254.29, 143,871.18 and 56,507.59 is: 77,980.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,254.29 : 143,871.18 = 56,507.59 : x
  2. Step 2: Convert to fraction form
    104,254.29/143,871.18 = 56,507.59/x
  3. Step 3: Cross multiply
    104,254.29x = 143,871.18 × 56,507.59
  4. Step 4: Simplify right side
    104,254.29x = 8,129,813,369.72
  5. Step 5: Solve for x
    x = 8,129,813,369.72/104,254.29
  6. Step 6: Final answer
    x = 77,980.61

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