Finding the Fourth Proportional to 16,258.54, 24,388.66 and 5,166.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,258.54 : 24,388.66 = 5,166.10 : x
2. Step 2: Convert to fraction form
   16,258.54/24,388.66 = 5,166.10/x
3. Step 3: Cross multiply
   16,258.54x = 24,388.66 × 5,166.10
4. Step 4: Simplify right side
   16,258.54x = 125,994,256.43
5. Step 5: Solve for x
   x = 125,994,256.43/16,258.54
6. Step 6: Final answer
   x = 7,749.42