Finding the Fourth Proportional to 1,634.34, 2,255.37 and 888.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,634.34 : 2,255.37 = 888.30 : x
2. Step 2: Convert to fraction form
   1,634.34/2,255.37 = 888.30/x
3. Step 3: Cross multiply
   1,634.34x = 2,255.37 × 888.30
4. Step 4: Simplify right side
   1,634.34x = 2,003,445.17
5. Step 5: Solve for x
   x = 2,003,445.17/1,634.34
6. Step 6: Final answer
   x = 1,225.84