Finding the Fourth Proportional to 14,648.39, 21,975.33 and 4,788.21

Step by Step Solution

1. Step 1: Write the proportion equation
   14,648.39 : 21,975.33 = 4,788.21 : x
2. Step 2: Convert to fraction form
   14,648.39/21,975.33 = 4,788.21/x
3. Step 3: Cross multiply
   14,648.39x = 21,975.33 × 4,788.21
4. Step 4: Simplify right side
   14,648.39x = 105,222,554.82
5. Step 5: Solve for x
   x = 105,222,554.82/14,648.39
6. Step 6: Final answer
   x = 7,183.21