Finding the Fourth Proportional to 57,620.50, 86,445.33 and 16,067.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,620.50 : 86,445.33 = 16,067.50 : x
2. Step 2: Convert to fraction form
   57,620.50/86,445.33 = 16,067.50/x
3. Step 3: Cross multiply
   57,620.50x = 86,445.33 × 16,067.50
4. Step 4: Simplify right side
   57,620.50x = 1,388,960,339.78
5. Step 5: Solve for x
   x = 1,388,960,339.78/57,620.50
6. Step 6: Final answer
   x = 24,105.32