Finding the Fourth Proportional to 13,687.98, 20,529.49 and 3,824.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,687.98 : 20,529.49 = 3,824.82 : x
2. Step 2: Convert to fraction form
   13,687.98/20,529.49 = 3,824.82/x
3. Step 3: Cross multiply
   13,687.98x = 20,529.49 × 3,824.82
4. Step 4: Simplify right side
   13,687.98x = 78,521,501.29
5. Step 5: Solve for x
   x = 78,521,501.29/13,687.98
6. Step 6: Final answer
   x = 5,736.53