Finding the Fourth Proportional to 23,819.16, 32,867.76 and 13,206.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,819.16 : 32,867.76 = 13,206.12 : x
2. Step 2: Convert to fraction form
   23,819.16/32,867.76 = 13,206.12/x
3. Step 3: Cross multiply
   23,819.16x = 32,867.76 × 13,206.12
4. Step 4: Simplify right side
   23,819.16x = 434,055,582.69
5. Step 5: Solve for x
   x = 434,055,582.69/23,819.16
6. Step 6: Final answer
   x = 18,222.96