Finding the Fourth Proportional to 2,222.59, 3,329.43 and 1,761.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.59 : 3,329.43 = 1,761.16 : x
2. Step 2: Convert to fraction form
   2,222.59/3,329.43 = 1,761.16/x
3. Step 3: Cross multiply
   2,222.59x = 3,329.43 × 1,761.16
4. Step 4: Simplify right side
   2,222.59x = 5,863,658.94
5. Step 5: Solve for x
   x = 5,863,658.94/2,222.59
6. Step 6: Final answer
   x = 2,638.21