Finding the Fourth Proportional to 23,839.85, 32,900.55 and 13,229.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,839.85 : 32,900.55 = 13,229.50 : x
2. Step 2: Convert to fraction form
   23,839.85/32,900.55 = 13,229.50/x
3. Step 3: Cross multiply
   23,839.85x = 32,900.55 × 13,229.50
4. Step 4: Simplify right side
   23,839.85x = 435,257,595.57
5. Step 5: Solve for x
   x = 435,257,595.57/23,839.85
6. Step 6: Final answer
   x = 18,257.56