Finding the Fourth Proportional to 2,198.76, 3,294.42 and 1,761.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,198.76 : 3,294.42 = 1,761.24 : x
2. Step 2: Convert to fraction form
   2,198.76/3,294.42 = 1,761.24/x
3. Step 3: Cross multiply
   2,198.76x = 3,294.42 × 1,761.24
4. Step 4: Simplify right side
   2,198.76x = 5,802,264.28
5. Step 5: Solve for x
   x = 5,802,264.28/2,198.76
6. Step 6: Final answer
   x = 2,638.88