Finding the Fourth Proportional to 2,047.47, 3,070.31 and 748.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.47 : 3,070.31 = 748.04 : x
2. Step 2: Convert to fraction form
   2,047.47/3,070.31 = 748.04/x
3. Step 3: Cross multiply
   2,047.47x = 3,070.31 × 748.04
4. Step 4: Simplify right side
   2,047.47x = 2,296,695.60
5. Step 5: Solve for x
   x = 2,296,695.60/2,047.47
6. Step 6: Final answer
   x = 1,121.72