Finding the Fourth Proportional to 1,806.83, 2,493.16 and 1,098.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,806.83 : 2,493.16 = 1,098.31 : x
2. Step 2: Convert to fraction form
   1,806.83/2,493.16 = 1,098.31/x
3. Step 3: Cross multiply
   1,806.83x = 2,493.16 × 1,098.31
4. Step 4: Simplify right side
   1,806.83x = 2,738,253.58
5. Step 5: Solve for x
   x = 2,738,253.58/1,806.83
6. Step 6: Final answer
   x = 1,515.50