Finding the Fourth Proportional to 7,839.94, 10,816.12 and 5,007.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,839.94 : 10,816.12 = 5,007.42 : x
2. Step 2: Convert to fraction form
   7,839.94/10,816.12 = 5,007.42/x
3. Step 3: Cross multiply
   7,839.94x = 10,816.12 × 5,007.42
4. Step 4: Simplify right side
   7,839.94x = 54,160,855.61
5. Step 5: Solve for x
   x = 54,160,855.61/7,839.94
6. Step 6: Final answer
   x = 6,908.33