Finding the Fourth Proportional to 3,938.86, 5,908.32 and 1,747.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,938.86 : 5,908.32 = 1,747.60 : x
2. Step 2: Convert to fraction form
   3,938.86/5,908.32 = 1,747.60/x
3. Step 3: Cross multiply
   3,938.86x = 5,908.32 × 1,747.60
4. Step 4: Simplify right side
   3,938.86x = 10,325,380.03
5. Step 5: Solve for x
   x = 10,325,380.03/3,938.86
6. Step 6: Final answer
   x = 2,621.41