Finding the Fourth Proportional to 2,208.89, 3,313.38 and 748.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,208.89 : 3,313.38 = 748.04 : x
2. Step 2: Convert to fraction form
   2,208.89/3,313.38 = 748.04/x
3. Step 3: Cross multiply
   2,208.89x = 3,313.38 × 748.04
4. Step 4: Simplify right side
   2,208.89x = 2,478,540.78
5. Step 5: Solve for x
   x = 2,478,540.78/2,208.89
6. Step 6: Final answer
   x = 1,122.08