Finding the Fourth Proportional to 2,047.42, 3,071.59 and 748.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.42 : 3,071.59 = 748.88 : x
2. Step 2: Convert to fraction form
   2,047.42/3,071.59 = 748.88/x
3. Step 3: Cross multiply
   2,047.42x = 3,071.59 × 748.88
4. Step 4: Simplify right side
   2,047.42x = 2,300,235.09
5. Step 5: Solve for x
   x = 2,300,235.09/2,047.42
6. Step 6: Final answer
   x = 1,123.48