Finding the Fourth Proportional to 1,544.52, 2,131.38 and 881.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,544.52 : 2,131.38 = 881.32 : x
2. Step 2: Convert to fraction form
   1,544.52/2,131.38 = 881.32/x
3. Step 3: Cross multiply
   1,544.52x = 2,131.38 × 881.32
4. Step 4: Simplify right side
   1,544.52x = 1,878,427.82
5. Step 5: Solve for x
   x = 1,878,427.82/1,544.52
6. Step 6: Final answer
   x = 1,216.19