Finding the Fourth Proportional to 2,198.58, 3,034.04 and 1,203.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,198.58 : 3,034.04 = 1,203.86 : x
2. Step 2: Convert to fraction form
   2,198.58/3,034.04 = 1,203.86/x
3. Step 3: Cross multiply
   2,198.58x = 3,034.04 × 1,203.86
4. Step 4: Simplify right side
   2,198.58x = 3,652,543.89
5. Step 5: Solve for x
   x = 3,652,543.89/2,198.58
6. Step 6: Final answer
   x = 1,661.32