Finding the Fourth Proportional to 3,922.16, 5,411.20 and 2,428.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,922.16 : 5,411.20 = 2,428.52 : x
2. Step 2: Convert to fraction form
   3,922.16/5,411.20 = 2,428.52/x
3. Step 3: Cross multiply
   3,922.16x = 5,411.20 × 2,428.52
4. Step 4: Simplify right side
   3,922.16x = 13,141,207.42
5. Step 5: Solve for x
   x = 13,141,207.42/3,922.16
6. Step 6: Final answer
   x = 3,350.50