Finding the Fourth Proportional to 2,292.27, 3,160.27 and 1,821.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,292.27 : 3,160.27 = 1,821.72 : x
2. Step 2: Convert to fraction form
   2,292.27/3,160.27 = 1,821.72/x
3. Step 3: Cross multiply
   2,292.27x = 3,160.27 × 1,821.72
4. Step 4: Simplify right side
   2,292.27x = 5,757,130.95
5. Step 5: Solve for x
   x = 5,757,130.95/2,292.27
6. Step 6: Final answer
   x = 2,511.55