Finding the Fourth Proportional to 7,500.17, 10,350.17 and 4,142.98

Step by Step Solution

1. Step 1: Write the proportion equation
   7,500.17 : 10,350.17 = 4,142.98 : x
2. Step 2: Convert to fraction form
   7,500.17/10,350.17 = 4,142.98/x
3. Step 3: Cross multiply
   7,500.17x = 10,350.17 × 4,142.98
4. Step 4: Simplify right side
   7,500.17x = 42,880,512.68
5. Step 5: Solve for x
   x = 42,880,512.68/7,500.17
6. Step 6: Final answer
   x = 5,717.27