Finding the Fourth Proportional to 1,168.48, 1,612.00 and 748.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,168.48 : 1,612.00 = 748.69 : x
2. Step 2: Convert to fraction form
   1,168.48/1,612.00 = 748.69/x
3. Step 3: Cross multiply
   1,168.48x = 1,612.00 × 748.69
4. Step 4: Simplify right side
   1,168.48x = 1,206,894.25
5. Step 5: Solve for x
   x = 1,206,894.25/1,168.48
6. Step 6: Final answer
   x = 1,032.88