Finding the Fourth Proportional to 14,388.25, 21,580.83 and 3,859.33

Step by Step Solution

1. Step 1: Write the proportion equation
   14,388.25 : 21,580.83 = 3,859.33 : x
2. Step 2: Convert to fraction form
   14,388.25/21,580.83 = 3,859.33/x
3. Step 3: Cross multiply
   14,388.25x = 21,580.83 × 3,859.33
4. Step 4: Simplify right side
   14,388.25x = 83,287,544.64
5. Step 5: Solve for x
   x = 83,287,544.64/14,388.25
6. Step 6: Final answer
   x = 5,788.58