Finding the Fourth Proportional to 23,500.50, 32,433.57 and 13,564.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,500.50 : 32,433.57 = 13,564.50 : x
2. Step 2: Convert to fraction form
   23,500.50/32,433.57 = 13,564.50/x
3. Step 3: Cross multiply
   23,500.50x = 32,433.57 × 13,564.50
4. Step 4: Simplify right side
   23,500.50x = 439,945,160.27
5. Step 5: Solve for x
   x = 439,945,160.27/23,500.50
6. Step 6: Final answer
   x = 18,720.67