Finding the Fourth Proportional to 2,632.34, 3,940.23 and 1,805.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632.34 : 3,940.23 = 1,805.78 : x
2. Step 2: Convert to fraction form
   2,632.34/3,940.23 = 1,805.78/x
3. Step 3: Cross multiply
   2,632.34x = 3,940.23 × 1,805.78
4. Step 4: Simplify right side
   2,632.34x = 7,115,188.53
5. Step 5: Solve for x
   x = 7,115,188.53/2,632.34
6. Step 6: Final answer
   x = 2,702.99