Finding the Fourth Proportional to 1,634.42, 2,255.50 and 888.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,634.42 : 2,255.50 = 888.38 : x
2. Step 2: Convert to fraction form
   1,634.42/2,255.50 = 888.38/x
3. Step 3: Cross multiply
   1,634.42x = 2,255.50 × 888.38
4. Step 4: Simplify right side
   1,634.42x = 2,003,741.09
5. Step 5: Solve for x
   x = 2,003,741.09/1,634.42
6. Step 6: Final answer
   x = 1,225.96