Finding the Fourth Proportional to 1,169.10, 1,613.31 and 748.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,169.10 : 1,613.31 = 748.86 : x
2. Step 2: Convert to fraction form
   1,169.10/1,613.31 = 748.86/x
3. Step 3: Cross multiply
   1,169.10x = 1,613.31 × 748.86
4. Step 4: Simplify right side
   1,169.10x = 1,208,143.33
5. Step 5: Solve for x
   x = 1,208,143.33/1,169.10
6. Step 6: Final answer
   x = 1,033.40