Finding the Fourth Proportional to 2,098.19, 3,144.72 and 926.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,098.19 : 3,144.72 = 926.93 : x
2. Step 2: Convert to fraction form
   2,098.19/3,144.72 = 926.93/x
3. Step 3: Cross multiply
   2,098.19x = 3,144.72 × 926.93
4. Step 4: Simplify right side
   2,098.19x = 2,914,935.31
5. Step 5: Solve for x
   x = 2,914,935.31/2,098.19
6. Step 6: Final answer
   x = 1,389.26