Finding the Fourth Proportional to 1,793.67, 2,687.46 and 1,098.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,793.67 : 2,687.46 = 1,098.88 : x
2. Step 2: Convert to fraction form
   1,793.67/2,687.46 = 1,098.88/x
3. Step 3: Cross multiply
   1,793.67x = 2,687.46 × 1,098.88
4. Step 4: Simplify right side
   1,793.67x = 2,953,196.04
5. Step 5: Solve for x
   x = 2,953,196.04/1,793.67
6. Step 6: Final answer
   x = 1,646.45