Finding the Fourth Proportional to 1,552.41, 2,142.18 and 889.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,552.41 : 2,142.18 = 889.47 : x
2. Step 2: Convert to fraction form
   1,552.41/2,142.18 = 889.47/x
3. Step 3: Cross multiply
   1,552.41x = 2,142.18 × 889.47
4. Step 4: Simplify right side
   1,552.41x = 1,905,404.84
5. Step 5: Solve for x
   x = 1,905,404.84/1,552.41
6. Step 6: Final answer
   x = 1,227.39