Finding the Fourth Proportional to 2,354.06, 3,531.18 and 1,198.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,354.06 : 3,531.18 = 1,198.46 : x
2. Step 2: Convert to fraction form
   2,354.06/3,531.18 = 1,198.46/x
3. Step 3: Cross multiply
   2,354.06x = 3,531.18 × 1,198.46
4. Step 4: Simplify right side
   2,354.06x = 4,231,977.98
5. Step 5: Solve for x
   x = 4,231,977.98/2,354.06
6. Step 6: Final answer
   x = 1,797.74