Finding the Fourth Proportional to 2,725.83, 4,089.27 and 877.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,725.83 : 4,089.27 = 877.41 : x
2. Step 2: Convert to fraction form
   2,725.83/4,089.27 = 877.41/x
3. Step 3: Cross multiply
   2,725.83x = 4,089.27 × 877.41
4. Step 4: Simplify right side
   2,725.83x = 3,587,966.39
5. Step 5: Solve for x
   x = 3,587,966.39/2,725.83
6. Step 6: Final answer
   x = 1,316.28