Finding the Fourth Proportional to 1,797.89, 2,691.83 and 918.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,797.89 : 2,691.83 = 918.49 : x
2. Step 2: Convert to fraction form
   1,797.89/2,691.83 = 918.49/x
3. Step 3: Cross multiply
   1,797.89x = 2,691.83 × 918.49
4. Step 4: Simplify right side
   1,797.89x = 2,472,411.06
5. Step 5: Solve for x
   x = 2,472,411.06/1,797.89
6. Step 6: Final answer
   x = 1,375.18