Finding the Fourth Proportional to 22,608.69, 31,196.19 and 15,066.28

Step by Step Solution

1. Step 1: Write the proportion equation
   22,608.69 : 31,196.19 = 15,066.28 : x
2. Step 2: Convert to fraction form
   22,608.69/31,196.19 = 15,066.28/x
3. Step 3: Cross multiply
   22,608.69x = 31,196.19 × 15,066.28
4. Step 4: Simplify right side
   22,608.69x = 470,010,533.47
5. Step 5: Solve for x
   x = 470,010,533.47/22,608.69
6. Step 6: Final answer
   x = 20,788.93