Finding the Fourth Proportional to 2,877.07, 4,315.86 and 797.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,877.07 : 4,315.86 = 797.08 : x
2. Step 2: Convert to fraction form
   2,877.07/4,315.86 = 797.08/x
3. Step 3: Cross multiply
   2,877.07x = 4,315.86 × 797.08
4. Step 4: Simplify right side
   2,877.07x = 3,440,085.69
5. Step 5: Solve for x
   x = 3,440,085.69/2,877.07
6. Step 6: Final answer
   x = 1,195.69