Finding the Fourth Proportional to 10,880.15, 16,287.89 and 5,934.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,880.15 : 16,287.89 = 5,934.78 : x
2. Step 2: Convert to fraction form
   10,880.15/16,287.89 = 5,934.78/x
3. Step 3: Cross multiply
   10,880.15x = 16,287.89 × 5,934.78
4. Step 4: Simplify right side
   10,880.15x = 96,665,014.14
5. Step 5: Solve for x
   x = 96,665,014.14/10,880.15
6. Step 6: Final answer
   x = 8,884.53