Finding the Fourth Proportional to 2,731.59, 4,095.36 and 881.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,731.59 : 4,095.36 = 881.69 : x
2. Step 2: Convert to fraction form
   2,731.59/4,095.36 = 881.69/x
3. Step 3: Cross multiply
   2,731.59x = 4,095.36 × 881.69
4. Step 4: Simplify right side
   2,731.59x = 3,610,817.48
5. Step 5: Solve for x
   x = 3,610,817.48/2,731.59
6. Step 6: Final answer
   x = 1,321.87