Finding the Fourth Proportional to 1,013.48, 1,399.31 and 747.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,013.48 : 1,399.31 = 747.95 : x
2. Step 2: Convert to fraction form
   1,013.48/1,399.31 = 747.95/x
3. Step 3: Cross multiply
   1,013.48x = 1,399.31 × 747.95
4. Step 4: Simplify right side
   1,013.48x = 1,046,613.91
5. Step 5: Solve for x
   x = 1,046,613.91/1,013.48
6. Step 6: Final answer
   x = 1,032.69