Finding the Fourth Proportional to 1,983.31, 2,736.92 and 1,099.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,983.31 : 2,736.92 = 1,099.10 : x
2. Step 2: Convert to fraction form
   1,983.31/2,736.92 = 1,099.10/x
3. Step 3: Cross multiply
   1,983.31x = 2,736.92 × 1,099.10
4. Step 4: Simplify right side
   1,983.31x = 3,008,158.36
5. Step 5: Solve for x
   x = 3,008,158.36/1,983.31
6. Step 6: Final answer
   x = 1,516.74