Finding the Fourth Proportional to 2,633.41, 3,634.83 and 1,638.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,633.41 : 3,634.83 = 1,638.10 : x
2. Step 2: Convert to fraction form
   2,633.41/3,634.83 = 1,638.10/x
3. Step 3: Cross multiply
   2,633.41x = 3,634.83 × 1,638.10
4. Step 4: Simplify right side
   2,633.41x = 5,954,196.85
5. Step 5: Solve for x
   x = 5,954,196.85/2,633.41
6. Step 6: Final answer
   x = 2,261.02