Finding the Fourth Proportional to 1,634.66, 2,255.83 and 936.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,634.66 : 2,255.83 = 936.03 : x
2. Step 2: Convert to fraction form
   1,634.66/2,255.83 = 936.03/x
3. Step 3: Cross multiply
   1,634.66x = 2,255.83 × 936.03
4. Step 4: Simplify right side
   1,634.66x = 2,111,524.55
5. Step 5: Solve for x
   x = 2,111,524.55/1,634.66
6. Step 6: Final answer
   x = 1,291.72