Finding the Fourth Proportional to 3,969.53, 5,942.61 and 2,934.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,969.53 : 5,942.61 = 2,934.15 : x
2. Step 2: Convert to fraction form
   3,969.53/5,942.61 = 2,934.15/x
3. Step 3: Cross multiply
   3,969.53x = 5,942.61 × 2,934.15
4. Step 4: Simplify right side
   3,969.53x = 17,436,509.13
5. Step 5: Solve for x
   x = 17,436,509.13/3,969.53
6. Step 6: Final answer
   x = 4,392.59