Finding the Fourth Proportional to 16,240.54, 22,411.91 and 8,788.54

Step by Step Solution

1. Step 1: Write the proportion equation
   16,240.54 : 22,411.91 = 8,788.54 : x
2. Step 2: Convert to fraction form
   16,240.54/22,411.91 = 8,788.54/x
3. Step 3: Cross multiply
   16,240.54x = 22,411.91 × 8,788.54
4. Step 4: Simplify right side
   16,240.54x = 196,967,967.51
5. Step 5: Solve for x
   x = 196,967,967.51/16,240.54
6. Step 6: Final answer
   x = 12,128.17