Finding the Fourth Proportional to 2,746.86, 4,120.42 and 799.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,746.86 : 4,120.42 = 799.21 : x
2. Step 2: Convert to fraction form
   2,746.86/4,120.42 = 799.21/x
3. Step 3: Cross multiply
   2,746.86x = 4,120.42 × 799.21
4. Step 4: Simplify right side
   2,746.86x = 3,293,080.87
5. Step 5: Solve for x
   x = 3,293,080.87/2,746.86
6. Step 6: Final answer
   x = 1,198.85