Finding the Fourth Proportional to 22,586.06, 31,157.29 and 15,022.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,586.06 : 31,157.29 = 15,022.69 : x
2. Step 2: Convert to fraction form
   22,586.06/31,157.29 = 15,022.69/x
3. Step 3: Cross multiply
   22,586.06x = 31,157.29 × 15,022.69
4. Step 4: Simplify right side
   22,586.06x = 468,066,308.91
5. Step 5: Solve for x
   x = 468,066,308.91/22,586.06
6. Step 6: Final answer
   x = 20,723.68