Finding the Fourth Proportional to 7,500.18, 10,350.10 and 4,143.02

Step by Step Solution

1. Step 1: Write the proportion equation
   7,500.18 : 10,350.10 = 4,143.02 : x
2. Step 2: Convert to fraction form
   7,500.18/10,350.10 = 4,143.02/x
3. Step 3: Cross multiply
   7,500.18x = 10,350.10 × 4,143.02
4. Step 4: Simplify right side
   7,500.18x = 42,880,671.30
5. Step 5: Solve for x
   x = 42,880,671.30/7,500.18
6. Step 6: Final answer
   x = 5,717.29