Finding the Fourth Proportional to 7,122.27, 10,685.57 and 5,046.29

Step by Step Solution

1. Step 1: Write the proportion equation
   7,122.27 : 10,685.57 = 5,046.29 : x
2. Step 2: Convert to fraction form
   7,122.27/10,685.57 = 5,046.29/x
3. Step 3: Cross multiply
   7,122.27x = 10,685.57 × 5,046.29
4. Step 4: Simplify right side
   7,122.27x = 53,922,485.04
5. Step 5: Solve for x
   x = 53,922,485.04/7,122.27
6. Step 6: Final answer
   x = 7,570.97