Finding the Fourth Proportional to 2,127.10, 3,184.89 and 1,098.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,127.10 : 3,184.89 = 1,098.94 : x
2. Step 2: Convert to fraction form
   2,127.10/3,184.89 = 1,098.94/x
3. Step 3: Cross multiply
   2,127.10x = 3,184.89 × 1,098.94
4. Step 4: Simplify right side
   2,127.10x = 3,500,003.02
5. Step 5: Solve for x
   x = 3,500,003.02/2,127.10
6. Step 6: Final answer
   x = 1,645.43