Finding the Fourth Proportional to 23,325.50, 32,189.10 and 12,715.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,325.50 : 32,189.10 = 12,715.10 : x
2. Step 2: Convert to fraction form
   23,325.50/32,189.10 = 12,715.10/x
3. Step 3: Cross multiply
   23,325.50x = 32,189.10 × 12,715.10
4. Step 4: Simplify right side
   23,325.50x = 409,287,625.41
5. Step 5: Solve for x
   x = 409,287,625.41/23,325.50
6. Step 6: Final answer
   x = 17,546.79