Finding the Fourth Proportional to 1,168.03, 1,611.48 and 748.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,168.03 : 1,611.48 = 748.72 : x
2. Step 2: Convert to fraction form
   1,168.03/1,611.48 = 748.72/x
3. Step 3: Cross multiply
   1,168.03x = 1,611.48 × 748.72
4. Step 4: Simplify right side
   1,168.03x = 1,206,547.31
5. Step 5: Solve for x
   x = 1,206,547.31/1,168.03
6. Step 6: Final answer
   x = 1,032.98