Finding the Fourth Proportional to 2,796.27, 4,194.17 and 1,315.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,796.27 : 4,194.17 = 1,315.15 : x
2. Step 2: Convert to fraction form
   2,796.27/4,194.17 = 1,315.15/x
3. Step 3: Cross multiply
   2,796.27x = 4,194.17 × 1,315.15
4. Step 4: Simplify right side
   2,796.27x = 5,515,952.12
5. Step 5: Solve for x
   x = 5,515,952.12/2,796.27
6. Step 6: Final answer
   x = 1,972.61