Finding the Fourth Proportional to 24,333.69, 33,580.98 and 13,721.25

Step by Step Solution

1. Step 1: Write the proportion equation
   24,333.69 : 33,580.98 = 13,721.25 : x
2. Step 2: Convert to fraction form
   24,333.69/33,580.98 = 13,721.25/x
3. Step 3: Cross multiply
   24,333.69x = 33,580.98 × 13,721.25
4. Step 4: Simplify right side
   24,333.69x = 460,773,021.83
5. Step 5: Solve for x
   x = 460,773,021.83/24,333.69
6. Step 6: Final answer
   x = 18,935.60