Finding the Fourth Proportional to 1,634.56, 2,255.71 and 888.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,634.56 : 2,255.71 = 888.53 : x
2. Step 2: Convert to fraction form
   1,634.56/2,255.71 = 888.53/x
3. Step 3: Cross multiply
   1,634.56x = 2,255.71 × 888.53
4. Step 4: Simplify right side
   1,634.56x = 2,004,254.73
5. Step 5: Solve for x
   x = 2,004,254.73/1,634.56
6. Step 6: Final answer
   x = 1,226.18