Finding the Fourth Proportional to 1,634.54, 2,255.67 and 888.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,634.54 : 2,255.67 = 888.50 : x
2. Step 2: Convert to fraction form
   1,634.54/2,255.67 = 888.50/x
3. Step 3: Cross multiply
   1,634.54x = 2,255.67 × 888.50
4. Step 4: Simplify right side
   1,634.54x = 2,004,151.52
5. Step 5: Solve for x
   x = 2,004,151.52/1,634.54
6. Step 6: Final answer
   x = 1,226.13