Finding the Fourth Proportional to 3,910.72, 5,396.52 and 2,232.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,910.72 : 5,396.52 = 2,232.22 : x
2. Step 2: Convert to fraction form
   3,910.72/5,396.52 = 2,232.22/x
3. Step 3: Cross multiply
   3,910.72x = 5,396.52 × 2,232.22
4. Step 4: Simplify right side
   3,910.72x = 12,046,219.87
5. Step 5: Solve for x
   x = 12,046,219.87/3,910.72
6. Step 6: Final answer
   x = 3,080.31