Finding the Fourth Proportional to 16,022.51, 22,109.15 and 9,648.99

Step by Step Solution

1. Step 1: Write the proportion equation
   16,022.51 : 22,109.15 = 9,648.99 : x
2. Step 2: Convert to fraction form
   16,022.51/22,109.15 = 9,648.99/x
3. Step 3: Cross multiply
   16,022.51x = 22,109.15 × 9,648.99
4. Step 4: Simplify right side
   16,022.51x = 213,331,074.29
5. Step 5: Solve for x
   x = 213,331,074.29/16,022.51
6. Step 6: Final answer
   x = 13,314.46