Finding the Fourth Proportional to 1,827.84, 2,745.12 and 1,098.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,827.84 : 2,745.12 = 1,098.72 : x
2. Step 2: Convert to fraction form
   1,827.84/2,745.12 = 1,098.72/x
3. Step 3: Cross multiply
   1,827.84x = 2,745.12 × 1,098.72
4. Step 4: Simplify right side
   1,827.84x = 3,016,118.25
5. Step 5: Solve for x
   x = 3,016,118.25/1,827.84
6. Step 6: Final answer
   x = 1,650.10