Finding the Fourth Proportional to 3,922.72, 5,414.38 and 2,429.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,922.72 : 5,414.38 = 2,429.79 : x
2. Step 2: Convert to fraction form
   3,922.72/5,414.38 = 2,429.79/x
3. Step 3: Cross multiply
   3,922.72x = 5,414.38 × 2,429.79
4. Step 4: Simplify right side
   3,922.72x = 13,155,780.00
5. Step 5: Solve for x
   x = 13,155,780.00/3,922.72
6. Step 6: Final answer
   x = 3,353.74