Finding the Fourth Proportional to 2,730.94, 4,096.56 and 881.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,730.94 : 4,096.56 = 881.91 : x
2. Step 2: Convert to fraction form
   2,730.94/4,096.56 = 881.91/x
3. Step 3: Cross multiply
   2,730.94x = 4,096.56 × 881.91
4. Step 4: Simplify right side
   2,730.94x = 3,612,800.54
5. Step 5: Solve for x
   x = 3,612,800.54/2,730.94
6. Step 6: Final answer
   x = 1,322.92