Finding the Fourth Proportional to 2,047.88, 3,071.10 and 749

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.88 : 3,071.10 = 749 : x
2. Step 2: Convert to fraction form
   2,047.88/3,071.10 = 749/x
3. Step 3: Cross multiply
   2,047.88x = 3,071.10 × 749
4. Step 4: Simplify right side
   2,047.88x = 2,300,253.90
5. Step 5: Solve for x
   x = 2,300,253.90/2,047.88
6. Step 6: Final answer
   x = 1,123.24