Finding the Fourth Proportional to 3,919.86, 5,410.62 and 2,429.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,919.86 : 5,410.62 = 2,429.10 : x
2. Step 2: Convert to fraction form
   3,919.86/5,410.62 = 2,429.10/x
3. Step 3: Cross multiply
   3,919.86x = 5,410.62 × 2,429.10
4. Step 4: Simplify right side
   3,919.86x = 13,142,937.04
5. Step 5: Solve for x
   x = 13,142,937.04/3,919.86
6. Step 6: Final answer
   x = 3,352.91