Finding the Fourth Proportional to 2,098.24, 3,146.18 and 926.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,098.24 : 3,146.18 = 926.88 : x
2. Step 2: Convert to fraction form
   2,098.24/3,146.18 = 926.88/x
3. Step 3: Cross multiply
   2,098.24x = 3,146.18 × 926.88
4. Step 4: Simplify right side
   2,098.24x = 2,916,114.89
5. Step 5: Solve for x
   x = 2,916,114.89/2,098.24
6. Step 6: Final answer
   x = 1,389.79