Finding the Fourth Proportional to 1,983.16, 2,736.72 and 1,098.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,983.16 : 2,736.72 = 1,098.96 : x
2. Step 2: Convert to fraction form
   1,983.16/2,736.72 = 1,098.96/x
3. Step 3: Cross multiply
   1,983.16x = 2,736.72 × 1,098.96
4. Step 4: Simplify right side
   1,983.16x = 3,007,532.13
5. Step 5: Solve for x
   x = 3,007,532.13/1,983.16
6. Step 6: Final answer
   x = 1,516.54