Finding the Fourth Proportional to 22,640.69, 31,257.41 and 15,097.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,640.69 : 31,257.41 = 15,097.56 : x
2. Step 2: Convert to fraction form
   22,640.69/31,257.41 = 15,097.56/x
3. Step 3: Cross multiply
   22,640.69x = 31,257.41 × 15,097.56
4. Step 4: Simplify right side
   22,640.69x = 471,910,547.43
5. Step 5: Solve for x
   x = 471,910,547.43/22,640.69
6. Step 6: Final answer
   x = 20,843.47