Finding the Fourth Proportional to 2,734.77, 4,101.81 and 885.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,734.77 : 4,101.81 = 885.72 : x
2. Step 2: Convert to fraction form
   2,734.77/4,101.81 = 885.72/x
3. Step 3: Cross multiply
   2,734.77x = 4,101.81 × 885.72
4. Step 4: Simplify right side
   2,734.77x = 3,633,055.15
5. Step 5: Solve for x
   x = 3,633,055.15/2,734.77
6. Step 6: Final answer
   x = 1,328.47