Finding the Fourth Proportional to 2,073.96, 3,110.76 and 757.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.96 : 3,110.76 = 757.72 : x
2. Step 2: Convert to fraction form
   2,073.96/3,110.76 = 757.72/x
3. Step 3: Cross multiply
   2,073.96x = 3,110.76 × 757.72
4. Step 4: Simplify right side
   2,073.96x = 2,357,085.07
5. Step 5: Solve for x
   x = 2,357,085.07/2,073.96
6. Step 6: Final answer
   x = 1,136.51