Finding the Fourth Proportional to 23,816.72, 32,866.22 and 13,206.13

Step by Step Solution

1. Step 1: Write the proportion equation
   23,816.72 : 32,866.22 = 13,206.13 : x
2. Step 2: Convert to fraction form
   23,816.72/32,866.22 = 13,206.13/x
3. Step 3: Cross multiply
   23,816.72x = 32,866.22 × 13,206.13
4. Step 4: Simplify right side
   23,816.72x = 434,035,573.93
5. Step 5: Solve for x
   x = 434,035,573.93/23,816.72
6. Step 6: Final answer
   x = 18,223.99