Finding the Fourth Proportional to 71,581.76, 107,325.25 and 34,147.61

Step by Step Solution

1. Step 1: Write the proportion equation
   71,581.76 : 107,325.25 = 34,147.61 : x
2. Step 2: Convert to fraction form
   71,581.76/107,325.25 = 34,147.61/x
3. Step 3: Cross multiply
   71,581.76x = 107,325.25 × 34,147.61
4. Step 4: Simplify right side
   71,581.76x = 3,664,900,560.63
5. Step 5: Solve for x
   x = 3,664,900,560.63/71,581.76
6. Step 6: Final answer
   x = 51,198.81