Finding the Fourth Proportional to 23,288.30, 32,136.71 and 13,217.67

Step by Step Solution

1. Step 1: Write the proportion equation
   23,288.30 : 32,136.71 = 13,217.67 : x
2. Step 2: Convert to fraction form
   23,288.30/32,136.71 = 13,217.67/x
3. Step 3: Cross multiply
   23,288.30x = 32,136.71 × 13,217.67
4. Step 4: Simplify right side
   23,288.30x = 424,772,427.67
5. Step 5: Solve for x
   x = 424,772,427.67/23,288.30
6. Step 6: Final answer
   x = 18,239.74