Finding the Fourth Proportional to 23,826.42, 32,880.62 and 13,216.73

Step by Step Solution

1. Step 1: Write the proportion equation
   23,826.42 : 32,880.62 = 13,216.73 : x
2. Step 2: Convert to fraction form
   23,826.42/32,880.62 = 13,216.73/x
3. Step 3: Cross multiply
   23,826.42x = 32,880.62 × 13,216.73
4. Step 4: Simplify right side
   23,826.42x = 434,574,210.69
5. Step 5: Solve for x
   x = 434,574,210.69/23,826.42
6. Step 6: Final answer
   x = 18,239.18