Finding the Fourth Proportional to 15,736.71, 21,716.72 and 9,022.48

Step by Step Solution

1. Step 1: Write the proportion equation
   15,736.71 : 21,716.72 = 9,022.48 : x
2. Step 2: Convert to fraction form
   15,736.71/21,716.72 = 9,022.48/x
3. Step 3: Cross multiply
   15,736.71x = 21,716.72 × 9,022.48
4. Step 4: Simplify right side
   15,736.71x = 195,938,671.87
5. Step 5: Solve for x
   x = 195,938,671.87/15,736.71
6. Step 6: Final answer
   x = 12,451.06