Finding the Fourth Proportional to 2,730.76, 4,095.60 and 881.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,730.76 : 4,095.60 = 881.42 : x
2. Step 2: Convert to fraction form
   2,730.76/4,095.60 = 881.42/x
3. Step 3: Cross multiply
   2,730.76x = 4,095.60 × 881.42
4. Step 4: Simplify right side
   2,730.76x = 3,609,943.75
5. Step 5: Solve for x
   x = 3,609,943.75/2,730.76
6. Step 6: Final answer
   x = 1,321.96