Finding the Fourth Proportional to 7,105.20, 10,649.29 and 5,022.08

Step by Step Solution

1. Step 1: Write the proportion equation
   7,105.20 : 10,649.29 = 5,022.08 : x
2. Step 2: Convert to fraction form
   7,105.20/10,649.29 = 5,022.08/x
3. Step 3: Cross multiply
   7,105.20x = 10,649.29 × 5,022.08
4. Step 4: Simplify right side
   7,105.20x = 53,481,586.32
5. Step 5: Solve for x
   x = 53,481,586.32/7,105.20
6. Step 6: Final answer
   x = 7,527.10