Finding the Fourth Proportional to 1,322.89, 1,825.29 and 798.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,322.89 : 1,825.29 = 798.91 : x
2. Step 2: Convert to fraction form
   1,322.89/1,825.29 = 798.91/x
3. Step 3: Cross multiply
   1,322.89x = 1,825.29 × 798.91
4. Step 4: Simplify right side
   1,322.89x = 1,458,237.87
5. Step 5: Solve for x
   x = 1,458,237.87/1,322.89
6. Step 6: Final answer
   x = 1,102.31