Finding the Fourth Proportional to 7,500.05, 10,350.02 and 4,143.09

Step by Step Solution

1. Step 1: Write the proportion equation
   7,500.05 : 10,350.02 = 4,143.09 : x
2. Step 2: Convert to fraction form
   7,500.05/10,350.02 = 4,143.09/x
3. Step 3: Cross multiply
   7,500.05x = 10,350.02 × 4,143.09
4. Step 4: Simplify right side
   7,500.05x = 42,881,074.72
5. Step 5: Solve for x
   x = 42,881,074.72/7,500.05
6. Step 6: Final answer
   x = 5,717.44