Finding the Fourth Proportional to 16,238.84, 22,410.30 and 9,165.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,238.84 : 22,410.30 = 9,165.32 : x
2. Step 2: Convert to fraction form
   16,238.84/22,410.30 = 9,165.32/x
3. Step 3: Cross multiply
   16,238.84x = 22,410.30 × 9,165.32
4. Step 4: Simplify right side
   16,238.84x = 205,397,570.80
5. Step 5: Solve for x
   x = 205,397,570.80/16,238.84
6. Step 6: Final answer
   x = 12,648.54