Finding the Fourth Proportional to 22,402.72, 30,917.28 and 14,836

Step by Step Solution

1. Step 1: Write the proportion equation
   22,402.72 : 30,917.28 = 14,836 : x
2. Step 2: Convert to fraction form
   22,402.72/30,917.28 = 14,836/x
3. Step 3: Cross multiply
   22,402.72x = 30,917.28 × 14,836
4. Step 4: Simplify right side
   22,402.72x = 458,688,766.08
5. Step 5: Solve for x
   x = 458,688,766.08/22,402.72
6. Step 6: Final answer
   x = 20,474.69