Finding the Fourth Proportional to 3,940.41, 5,908.82 and 1,166.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,940.41 : 5,908.82 = 1,166.10 : x
2. Step 2: Convert to fraction form
   3,940.41/5,908.82 = 1,166.10/x
3. Step 3: Cross multiply
   3,940.41x = 5,908.82 × 1,166.10
4. Step 4: Simplify right side
   3,940.41x = 6,890,247.01
5. Step 5: Solve for x
   x = 6,890,247.01/3,940.41
6. Step 6: Final answer
   x = 1,748.61