Finding the Fourth Proportional to 14,105.82, 21,155.25 and 5,788.20

Step by Step Solution

1. Step 1: Write the proportion equation
   14,105.82 : 21,155.25 = 5,788.20 : x
2. Step 2: Convert to fraction form
   14,105.82/21,155.25 = 5,788.20/x
3. Step 3: Cross multiply
   14,105.82x = 21,155.25 × 5,788.20
4. Step 4: Simplify right side
   14,105.82x = 122,450,818.05
5. Step 5: Solve for x
   x = 122,450,818.05/14,105.82
6. Step 6: Final answer
   x = 8,680.87