Finding the Fourth Proportional to 2,726.04, 4,089.71 and 877.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,726.04 : 4,089.71 = 877.18 : x
2. Step 2: Convert to fraction form
   2,726.04/4,089.71 = 877.18/x
3. Step 3: Cross multiply
   2,726.04x = 4,089.71 × 877.18
4. Step 4: Simplify right side
   2,726.04x = 3,587,406.52
5. Step 5: Solve for x
   x = 3,587,406.52/2,726.04
6. Step 6: Final answer
   x = 1,315.98