Finding the Fourth Proportional to 23,287.30, 32,135.33 and 13,216.67

Step by Step Solution

1. Step 1: Write the proportion equation
   23,287.30 : 32,135.33 = 13,216.67 : x
2. Step 2: Convert to fraction form
   23,287.30/32,135.33 = 13,216.67/x
3. Step 3: Cross multiply
   23,287.30x = 32,135.33 × 13,216.67
4. Step 4: Simplify right side
   23,287.30x = 424,722,044.82
5. Step 5: Solve for x
   x = 424,722,044.82/23,287.30
6. Step 6: Final answer
   x = 18,238.36