Finding the Fourth Proportional to 7,500.15, 10,343.94 and 5,616.21

Step by Step Solution

1. Step 1: Write the proportion equation
   7,500.15 : 10,343.94 = 5,616.21 : x
2. Step 2: Convert to fraction form
   7,500.15/10,343.94 = 5,616.21/x
3. Step 3: Cross multiply
   7,500.15x = 10,343.94 × 5,616.21
4. Step 4: Simplify right side
   7,500.15x = 58,093,739.27
5. Step 5: Solve for x
   x = 58,093,739.27/7,500.15
6. Step 6: Final answer
   x = 7,745.68