Finding the Fourth Proportional to 7,361.72, 10,156.28 and 4,216.22

Step by Step Solution

1. Step 1: Write the proportion equation
   7,361.72 : 10,156.28 = 4,216.22 : x
2. Step 2: Convert to fraction form
   7,361.72/10,156.28 = 4,216.22/x
3. Step 3: Cross multiply
   7,361.72x = 10,156.28 × 4,216.22
4. Step 4: Simplify right side
   7,361.72x = 42,821,110.86
5. Step 5: Solve for x
   x = 42,821,110.86/7,361.72
6. Step 6: Final answer
   x = 5,816.73