Finding the Fourth Proportional to 2,287.82, 3,431.16 and 881.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287.82 : 3,431.16 = 881.96 : x
2. Step 2: Convert to fraction form
   2,287.82/3,431.16 = 881.96/x
3. Step 3: Cross multiply
   2,287.82x = 3,431.16 × 881.96
4. Step 4: Simplify right side
   2,287.82x = 3,026,128.72
5. Step 5: Solve for x
   x = 3,026,128.72/2,287.82
6. Step 6: Final answer
   x = 1,322.71