Finding the Fourth Proportional to 2,632.59, 3,940.61 and 1,806.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632.59 : 3,940.61 = 1,806.03 : x
2. Step 2: Convert to fraction form
   2,632.59/3,940.61 = 1,806.03/x
3. Step 3: Cross multiply
   2,632.59x = 3,940.61 × 1,806.03
4. Step 4: Simplify right side
   2,632.59x = 7,116,850.85
5. Step 5: Solve for x
   x = 7,116,850.85/2,632.59
6. Step 6: Final answer
   x = 2,703.36