Finding the Fourth Proportional to 23,826.69, 32,880.33 and 13,216.23

Step by Step Solution

1. Step 1: Write the proportion equation
   23,826.69 : 32,880.33 = 13,216.23 : x
2. Step 2: Convert to fraction form
   23,826.69/32,880.33 = 13,216.23/x
3. Step 3: Cross multiply
   23,826.69x = 32,880.33 × 13,216.23
4. Step 4: Simplify right side
   23,826.69x = 434,554,003.76
5. Step 5: Solve for x
   x = 434,554,003.76/23,826.69
6. Step 6: Final answer
   x = 18,238.12