Finding the Fourth Proportional to 8,214.10, 12,322.38 and 3,019.57

Step by Step Solution

1. Step 1: Write the proportion equation
   8,214.10 : 12,322.38 = 3,019.57 : x
2. Step 2: Convert to fraction form
   8,214.10/12,322.38 = 3,019.57/x
3. Step 3: Cross multiply
   8,214.10x = 12,322.38 × 3,019.57
4. Step 4: Simplify right side
   8,214.10x = 37,208,288.98
5. Step 5: Solve for x
   x = 37,208,288.98/8,214.10
6. Step 6: Final answer
   x = 4,529.81