Finding the Fourth Proportional to 1,634.82, 2,256.06 and 888.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,634.82 : 2,256.06 = 888.78 : x
2. Step 2: Convert to fraction form
   1,634.82/2,256.06 = 888.78/x
3. Step 3: Cross multiply
   1,634.82x = 2,256.06 × 888.78
4. Step 4: Simplify right side
   1,634.82x = 2,005,141.01
5. Step 5: Solve for x
   x = 2,005,141.01/1,634.82
6. Step 6: Final answer
   x = 1,226.52