Finding the Fourth Proportional to 7,480.82, 10,325.49 and 5,122.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,480.82 : 10,325.49 = 5,122.10 : x
2. Step 2: Convert to fraction form
   7,480.82/10,325.49 = 5,122.10/x
3. Step 3: Cross multiply
   7,480.82x = 10,325.49 × 5,122.10
4. Step 4: Simplify right side
   7,480.82x = 52,888,192.33
5. Step 5: Solve for x
   x = 52,888,192.33/7,480.82
6. Step 6: Final answer
   x = 7,069.84