Finding the Fourth Proportional to 2,142.22, 2,956.02 and 1,198.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142.22 : 2,956.02 = 1,198.02 : x
2. Step 2: Convert to fraction form
   2,142.22/2,956.02 = 1,198.02/x
3. Step 3: Cross multiply
   2,142.22x = 2,956.02 × 1,198.02
4. Step 4: Simplify right side
   2,142.22x = 3,541,356.10
5. Step 5: Solve for x
   x = 3,541,356.10/2,142.22
6. Step 6: Final answer
   x = 1,653.12