Finding the Fourth Proportional to 2,074.17, 3,111.22 and 757.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.17 : 3,111.22 = 757.92 : x
2. Step 2: Convert to fraction form
   2,074.17/3,111.22 = 757.92/x
3. Step 3: Cross multiply
   2,074.17x = 3,111.22 × 757.92
4. Step 4: Simplify right side
   2,074.17x = 2,358,036.52
5. Step 5: Solve for x
   x = 2,358,036.52/2,074.17
6. Step 6: Final answer
   x = 1,136.86