Finding the Fourth Proportional to 1,783.94, 2,673.03 and 1,098.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,783.94 : 2,673.03 = 1,098.50 : x
2. Step 2: Convert to fraction form
   1,783.94/2,673.03 = 1,098.50/x
3. Step 3: Cross multiply
   1,783.94x = 2,673.03 × 1,098.50
4. Step 4: Simplify right side
   1,783.94x = 2,936,323.46
5. Step 5: Solve for x
   x = 2,936,323.46/1,783.94
6. Step 6: Final answer
   x = 1,645.98