Finding the Fourth Proportional to 2,632.82, 3,633.97 and 1,638.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632.82 : 3,633.97 = 1,638.90 : x
2. Step 2: Convert to fraction form
   2,632.82/3,633.97 = 1,638.90/x
3. Step 3: Cross multiply
   2,632.82x = 3,633.97 × 1,638.90
4. Step 4: Simplify right side
   2,632.82x = 5,955,713.43
5. Step 5: Solve for x
   x = 5,955,713.43/2,632.82
6. Step 6: Final answer
   x = 2,262.10