Finding the Fourth Proportional to 23,807.50, 32,854.38 and 13,198.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,807.50 : 32,854.38 = 13,198.72 : x
2. Step 2: Convert to fraction form
   23,807.50/32,854.38 = 13,198.72/x
3. Step 3: Cross multiply
   23,807.50x = 32,854.38 × 13,198.72
4. Step 4: Simplify right side
   23,807.50x = 433,635,762.39
5. Step 5: Solve for x
   x = 433,635,762.39/23,807.50
6. Step 6: Final answer
   x = 18,214.25