Finding the Fourth Proportional to 2,047.88, 3,071.72 and 749.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.88 : 3,071.72 = 749.25 : x
2. Step 2: Convert to fraction form
   2,047.88/3,071.72 = 749.25/x
3. Step 3: Cross multiply
   2,047.88x = 3,071.72 × 749.25
4. Step 4: Simplify right side
   2,047.88x = 2,301,488.08
5. Step 5: Solve for x
   x = 2,301,488.08/2,047.88
6. Step 6: Final answer
   x = 1,123.84