Finding the Fourth Proportional to 7,500.65, 10,350.83 and 4,143.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,500.65 : 10,350.83 = 4,143.42 : x
2. Step 2: Convert to fraction form
   7,500.65/10,350.83 = 4,143.42/x
3. Step 3: Cross multiply
   7,500.65x = 10,350.83 × 4,143.42
4. Step 4: Simplify right side
   7,500.65x = 42,887,846.40
5. Step 5: Solve for x
   x = 42,887,846.40/7,500.65
6. Step 6: Final answer
   x = 5,717.89