Finding the Fourth Proportional to 1,589.89, 2,193.96 and 881.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,589.89 : 2,193.96 = 881.71 : x
2. Step 2: Convert to fraction form
   1,589.89/2,193.96 = 881.71/x
3. Step 3: Cross multiply
   1,589.89x = 2,193.96 × 881.71
4. Step 4: Simplify right side
   1,589.89x = 1,934,436.47
5. Step 5: Solve for x
   x = 1,934,436.47/1,589.89
6. Step 6: Final answer
   x = 1,216.71