Finding the Fourth Proportional to 2,098.01, 3,144.85 and 1,123.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,098.01 : 3,144.85 = 1,123.85 : x
2. Step 2: Convert to fraction form
   2,098.01/3,144.85 = 1,123.85/x
3. Step 3: Cross multiply
   2,098.01x = 3,144.85 × 1,123.85
4. Step 4: Simplify right side
   2,098.01x = 3,534,339.67
5. Step 5: Solve for x
   x = 3,534,339.67/2,098.01
6. Step 6: Final answer
   x = 1,684.62