Finding the Fourth Proportional to 3,940.56, 5,910.02 and 1,747.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,940.56 : 5,910.02 = 1,747.89 : x
2. Step 2: Convert to fraction form
   3,940.56/5,910.02 = 1,747.89/x
3. Step 3: Cross multiply
   3,940.56x = 5,910.02 × 1,747.89
4. Step 4: Simplify right side
   3,940.56x = 10,330,056.12
5. Step 5: Solve for x
   x = 10,330,056.12/3,940.56
6. Step 6: Final answer
   x = 2,621.47