Finding the Fourth Proportional to 7,462.17, 10,297.85 and 4,105.20

Step by Step Solution

1. Step 1: Write the proportion equation
   7,462.17 : 10,297.85 = 4,105.20 : x
2. Step 2: Convert to fraction form
   7,462.17/10,297.85 = 4,105.20/x
3. Step 3: Cross multiply
   7,462.17x = 10,297.85 × 4,105.20
4. Step 4: Simplify right side
   7,462.17x = 42,274,713.29
5. Step 5: Solve for x
   x = 42,274,713.29/7,462.17
6. Step 6: Final answer
   x = 5,665.20