Finding the Fourth Proportional to 7,500.30, 10,350.41 and 4,143.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,500.30 : 10,350.41 = 4,143.12 : x
2. Step 2: Convert to fraction form
   7,500.30/10,350.41 = 4,143.12/x
3. Step 3: Cross multiply
   7,500.30x = 10,350.41 × 4,143.12
4. Step 4: Simplify right side
   7,500.30x = 42,882,969.96
5. Step 5: Solve for x
   x = 42,882,969.96/7,500.30
6. Step 6: Final answer
   x = 5,717.50