Finding the Fourth Proportional to 24,221.94, 33,426.72 and 13,611.57

Step by Step Solution

1. Step 1: Write the proportion equation
   24,221.94 : 33,426.72 = 13,611.57 : x
2. Step 2: Convert to fraction form
   24,221.94/33,426.72 = 13,611.57/x
3. Step 3: Cross multiply
   24,221.94x = 33,426.72 × 13,611.57
4. Step 4: Simplify right side
   24,221.94x = 454,990,139.15
5. Step 5: Solve for x
   x = 454,990,139.15/24,221.94
6. Step 6: Final answer
   x = 18,784.22