Finding the Fourth Proportional to 22,665.71, 31,268.61 and 15,104.67

Step by Step Solution

1. Step 1: Write the proportion equation
   22,665.71 : 31,268.61 = 15,104.67 : x
2. Step 2: Convert to fraction form
   22,665.71/31,268.61 = 15,104.67/x
3. Step 3: Cross multiply
   22,665.71x = 31,268.61 × 15,104.67
4. Step 4: Simplify right side
   22,665.71x = 472,302,035.41
5. Step 5: Solve for x
   x = 472,302,035.41/22,665.71
6. Step 6: Final answer
   x = 20,837.74