Finding the Fourth Proportional to 1,597.31, 2,204.31 and 889.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,597.31 : 2,204.31 = 889.20 : x
2. Step 2: Convert to fraction form
   1,597.31/2,204.31 = 889.20/x
3. Step 3: Cross multiply
   1,597.31x = 2,204.31 × 889.20
4. Step 4: Simplify right side
   1,597.31x = 1,960,061.43
5. Step 5: Solve for x
   x = 1,960,061.43/1,597.31
6. Step 6: Final answer
   x = 1,227.11