Finding the Fourth Proportional to 7,608.86, 10,505.04 and 5,222.83

Step by Step Solution

1. Step 1: Write the proportion equation
   7,608.86 : 10,505.04 = 5,222.83 : x
2. Step 2: Convert to fraction form
   7,608.86/10,505.04 = 5,222.83/x
3. Step 3: Cross multiply
   7,608.86x = 10,505.04 × 5,222.83
4. Step 4: Simplify right side
   7,608.86x = 54,866,041.29
5. Step 5: Solve for x
   x = 54,866,041.29/7,608.86
6. Step 6: Final answer
   x = 7,210.81