Finding the Fourth Proportional to 2,342.12, 3,513.56 and 881.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,342.12 : 3,513.56 = 881.38 : x
2. Step 2: Convert to fraction form
   2,342.12/3,513.56 = 881.38/x
3. Step 3: Cross multiply
   2,342.12x = 3,513.56 × 881.38
4. Step 4: Simplify right side
   2,342.12x = 3,096,781.51
5. Step 5: Solve for x
   x = 3,096,781.51/2,342.12
6. Step 6: Final answer
   x = 1,322.21