Finding the Fourth Proportional to 1,544.27, 2,131.04 and 881.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,544.27 : 2,131.04 = 881.06 : x
2. Step 2: Convert to fraction form
   1,544.27/2,131.04 = 881.06/x
3. Step 3: Cross multiply
   1,544.27x = 2,131.04 × 881.06
4. Step 4: Simplify right side
   1,544.27x = 1,877,559.04
5. Step 5: Solve for x
   x = 1,877,559.04/1,544.27
6. Step 6: Final answer
   x = 1,215.83