Finding the Fourth Proportional to 21,856.92, 32,721.59 and 16,259.42

Step by Step Solution

1. Step 1: Write the proportion equation
   21,856.92 : 32,721.59 = 16,259.42 : x
2. Step 2: Convert to fraction form
   21,856.92/32,721.59 = 16,259.42/x
3. Step 3: Cross multiply
   21,856.92x = 32,721.59 × 16,259.42
4. Step 4: Simplify right side
   21,856.92x = 532,034,074.88
5. Step 5: Solve for x
   x = 532,034,074.88/21,856.92
6. Step 6: Final answer
   x = 24,341.68