Finding the Fourth Proportional to 3,111.85, 4,294.72 and 1,749.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.85 : 4,294.72 = 1,749.34 : x
2. Step 2: Convert to fraction form
   3,111.85/4,294.72 = 1,749.34/x
3. Step 3: Cross multiply
   3,111.85x = 4,294.72 × 1,749.34
4. Step 4: Simplify right side
   3,111.85x = 7,512,933.04
5. Step 5: Solve for x
   x = 7,512,933.04/3,111.85
6. Step 6: Final answer
   x = 2,414.30