Finding the Fourth Proportional to 9,146.52, 13,711.68 and 3,949.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,146.52 : 13,711.68 = 3,949.56 : x
2. Step 2: Convert to fraction form
   9,146.52/13,711.68 = 3,949.56/x
3. Step 3: Cross multiply
   9,146.52x = 13,711.68 × 3,949.56
4. Step 4: Simplify right side
   9,146.52x = 54,155,102.86
5. Step 5: Solve for x
   x = 54,155,102.86/9,146.52
6. Step 6: Final answer
   x = 5,920.84