Finding the Fourth Proportional to 1,544.34, 2,131.17 and 881.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,544.34 : 2,131.17 = 881.24 : x
2. Step 2: Convert to fraction form
   1,544.34/2,131.17 = 881.24/x
3. Step 3: Cross multiply
   1,544.34x = 2,131.17 × 881.24
4. Step 4: Simplify right side
   1,544.34x = 1,878,061.59
5. Step 5: Solve for x
   x = 1,878,061.59/1,544.34
6. Step 6: Final answer
   x = 1,216.09