Finding the Fourth Proportional to 2,636.42, 3,633.53 and 2,005.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636.42 : 3,633.53 = 2,005.56 : x
2. Step 2: Convert to fraction form
   2,636.42/3,633.53 = 2,005.56/x
3. Step 3: Cross multiply
   2,636.42x = 3,633.53 × 2,005.56
4. Step 4: Simplify right side
   2,636.42x = 7,287,252.40
5. Step 5: Solve for x
   x = 7,287,252.40/2,636.42
6. Step 6: Final answer
   x = 2,764.08