Finding the Fourth Proportional to 1,322.15, 1,824.50 and 798.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,322.15 : 1,824.50 = 798.08 : x
2. Step 2: Convert to fraction form
   1,322.15/1,824.50 = 798.08/x
3. Step 3: Cross multiply
   1,322.15x = 1,824.50 × 798.08
4. Step 4: Simplify right side
   1,322.15x = 1,456,089.83
5. Step 5: Solve for x
   x = 1,456,089.83/1,322.15
6. Step 6: Final answer
   x = 1,101.31