Finding the Fourth Proportional to 3,940.91, 5,908.59 and 1,748.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,940.91 : 5,908.59 = 1,748.42 : x
2. Step 2: Convert to fraction form
   3,940.91/5,908.59 = 1,748.42/x
3. Step 3: Cross multiply
   3,940.91x = 5,908.59 × 1,748.42
4. Step 4: Simplify right side
   3,940.91x = 10,330,667.38
5. Step 5: Solve for x
   x = 10,330,667.38/3,940.91
6. Step 6: Final answer
   x = 2,621.39