Finding the Fourth Proportional to 7,500.63, 10,350.23 and 4,143.45

Step by Step Solution

1. Step 1: Write the proportion equation
   7,500.63 : 10,350.23 = 4,143.45 : x
2. Step 2: Convert to fraction form
   7,500.63/10,350.23 = 4,143.45/x
3. Step 3: Cross multiply
   7,500.63x = 10,350.23 × 4,143.45
4. Step 4: Simplify right side
   7,500.63x = 42,885,639.78
5. Step 5: Solve for x
   x = 42,885,639.78/7,500.63
6. Step 6: Final answer
   x = 5,717.61