Finding the Fourth Proportional to 2,877.39, 4,315.32 and 796.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,877.39 : 4,315.32 = 796.86 : x
2. Step 2: Convert to fraction form
   2,877.39/4,315.32 = 796.86/x
3. Step 3: Cross multiply
   2,877.39x = 4,315.32 × 796.86
4. Step 4: Simplify right side
   2,877.39x = 3,438,705.90
5. Step 5: Solve for x
   x = 3,438,705.90/2,877.39
6. Step 6: Final answer
   x = 1,195.08