Finding the Fourth Proportional to 7,500.50, 10,351.29 and 4,143.61

Step by Step Solution

1. Step 1: Write the proportion equation
   7,500.50 : 10,351.29 = 4,143.61 : x
2. Step 2: Convert to fraction form
   7,500.50/10,351.29 = 4,143.61/x
3. Step 3: Cross multiply
   7,500.50x = 10,351.29 × 4,143.61
4. Step 4: Simplify right side
   7,500.50x = 42,891,679.01
5. Step 5: Solve for x
   x = 42,891,679.01/7,500.50
6. Step 6: Final answer
   x = 5,718.51