Finding the Fourth Proportional to 1,552.73, 2,142.69 and 889.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,552.73 : 2,142.69 = 889.43 : x
2. Step 2: Convert to fraction form
   1,552.73/2,142.69 = 889.43/x
3. Step 3: Cross multiply
   1,552.73x = 2,142.69 × 889.43
4. Step 4: Simplify right side
   1,552.73x = 1,905,772.77
5. Step 5: Solve for x
   x = 1,905,772.77/1,552.73
6. Step 6: Final answer
   x = 1,227.37