Finding the Fourth Proportional to 1,552.94, 2,142.50 and 889.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,552.94 : 2,142.50 = 889.34 : x
2. Step 2: Convert to fraction form
   1,552.94/2,142.50 = 889.34/x
3. Step 3: Cross multiply
   1,552.94x = 2,142.50 × 889.34
4. Step 4: Simplify right side
   1,552.94x = 1,905,410.95
5. Step 5: Solve for x
   x = 1,905,410.95/1,552.94
6. Step 6: Final answer
   x = 1,226.97