Finding the Fourth Proportional to 2,506.72, 3,759.85 and 752.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,506.72 : 3,759.85 = 752.11 : x
2. Step 2: Convert to fraction form
   2,506.72/3,759.85 = 752.11/x
3. Step 3: Cross multiply
   2,506.72x = 3,759.85 × 752.11
4. Step 4: Simplify right side
   2,506.72x = 2,827,809.50
5. Step 5: Solve for x
   x = 2,827,809.50/2,506.72
6. Step 6: Final answer
   x = 1,128.09