Finding the Fourth Proportional to 13,683.82, 20,522.79 and 4,324.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,683.82 : 20,522.79 = 4,324.56 : x
2. Step 2: Convert to fraction form
   13,683.82/20,522.79 = 4,324.56/x
3. Step 3: Cross multiply
   13,683.82x = 20,522.79 × 4,324.56
4. Step 4: Simplify right side
   13,683.82x = 88,752,036.72
5. Step 5: Solve for x
   x = 88,752,036.72/13,683.82
6. Step 6: Final answer
   x = 6,485.91