Finding the Fourth Proportional to 13,284.72, 19,924.83 and 3,924.54

Step by Step Solution

1. Step 1: Write the proportion equation
   13,284.72 : 19,924.83 = 3,924.54 : x
2. Step 2: Convert to fraction form
   13,284.72/19,924.83 = 3,924.54/x
3. Step 3: Cross multiply
   13,284.72x = 19,924.83 × 3,924.54
4. Step 4: Simplify right side
   13,284.72x = 78,195,792.33
5. Step 5: Solve for x
   x = 78,195,792.33/13,284.72
6. Step 6: Final answer
   x = 5,886.15