Finding the Fourth Proportional to 846.22, 1,263.89 and 798.82

Step by Step Solution

1. Step 1: Write the proportion equation
   846.22 : 1,263.89 = 798.82 : x
2. Step 2: Convert to fraction form
   846.22/1,263.89 = 798.82/x
3. Step 3: Cross multiply
   846.22x = 1,263.89 × 798.82
4. Step 4: Simplify right side
   846.22x = 1,009,620.61
5. Step 5: Solve for x
   x = 1,009,620.61/846.22
6. Step 6: Final answer
   x = 1,193.09