Finding the Fourth Proportional to 7,524.05, 10,378.05 and 5,162.09

Step by Step Solution

1. Step 1: Write the proportion equation
   7,524.05 : 10,378.05 = 5,162.09 : x
2. Step 2: Convert to fraction form
   7,524.05/10,378.05 = 5,162.09/x
3. Step 3: Cross multiply
   7,524.05x = 10,378.05 × 5,162.09
4. Step 4: Simplify right side
   7,524.05x = 53,572,428.12
5. Step 5: Solve for x
   x = 53,572,428.12/7,524.05
6. Step 6: Final answer
   x = 7,120.16