Finding the Fourth Proportional to 2,391.83, 3,588.10 and 748.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,391.83 : 3,588.10 = 748.04 : x
2. Step 2: Convert to fraction form
   2,391.83/3,588.10 = 748.04/x
3. Step 3: Cross multiply
   2,391.83x = 3,588.10 × 748.04
4. Step 4: Simplify right side
   2,391.83x = 2,684,022.51
5. Step 5: Solve for x
   x = 2,684,022.51/2,391.83
6. Step 6: Final answer
   x = 1,122.16