Finding the Fourth Proportional to 1,983.08, 2,736.67 and 1,098.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,983.08 : 2,736.67 = 1,098.88 : x
2. Step 2: Convert to fraction form
   1,983.08/2,736.67 = 1,098.88/x
3. Step 3: Cross multiply
   1,983.08x = 2,736.67 × 1,098.88
4. Step 4: Simplify right side
   1,983.08x = 3,007,272.89
5. Step 5: Solve for x
   x = 3,007,272.89/1,983.08
6. Step 6: Final answer
   x = 1,516.46