Finding the Fourth Proportional to 2,098.89, 3,148.18 and 849.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,098.89 : 3,148.18 = 849.57 : x
2. Step 2: Convert to fraction form
   2,098.89/3,148.18 = 849.57/x
3. Step 3: Cross multiply
   2,098.89x = 3,148.18 × 849.57
4. Step 4: Simplify right side
   2,098.89x = 2,674,599.28
5. Step 5: Solve for x
   x = 2,674,599.28/2,098.89
6. Step 6: Final answer
   x = 1,274.29