Finding the Fourth Proportional to 3,819.67, 5,730.72 and 2,434.21

Step by Step Solution

1. Step 1: Write the proportion equation
   3,819.67 : 5,730.72 = 2,434.21 : x
2. Step 2: Convert to fraction form
   3,819.67/5,730.72 = 2,434.21/x
3. Step 3: Cross multiply
   3,819.67x = 5,730.72 × 2,434.21
4. Step 4: Simplify right side
   3,819.67x = 13,949,775.93
5. Step 5: Solve for x
   x = 13,949,775.93/3,819.67
6. Step 6: Final answer
   x = 3,652.09