Finding the Fourth Proportional to 3,301.59, 4,960.13 and 3,114.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,301.59 : 4,960.13 = 3,114.78 : x
2. Step 2: Convert to fraction form
   3,301.59/4,960.13 = 3,114.78/x
3. Step 3: Cross multiply
   3,301.59x = 4,960.13 × 3,114.78
4. Step 4: Simplify right side
   3,301.59x = 15,449,698.15
5. Step 5: Solve for x
   x = 15,449,698.15/3,301.59
6. Step 6: Final answer
   x = 4,679.47