Finding the Fourth Proportional to 2,631.39, 3,635.91 and 2,104.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,631.39 : 3,635.91 = 2,104.62 : x
2. Step 2: Convert to fraction form
   2,631.39/3,635.91 = 2,104.62/x
3. Step 3: Cross multiply
   2,631.39x = 3,635.91 × 2,104.62
4. Step 4: Simplify right side
   2,631.39x = 7,652,208.90
5. Step 5: Solve for x
   x = 7,652,208.90/2,631.39
6. Step 6: Final answer
   x = 2,908.05