Finding the Fourth Proportional to 12,433.08, 18,570.52 and 10,683.17

Step by Step Solution

1. Step 1: Write the proportion equation
   12,433.08 : 18,570.52 = 10,683.17 : x
2. Step 2: Convert to fraction form
   12,433.08/18,570.52 = 10,683.17/x
3. Step 3: Cross multiply
   12,433.08x = 18,570.52 × 10,683.17
4. Step 4: Simplify right side
   12,433.08x = 198,392,022.15
5. Step 5: Solve for x
   x = 198,392,022.15/12,433.08
6. Step 6: Final answer
   x = 15,956.79