Finding the Fourth Proportional to 22,929.27, 31,644.27 and 13,499.70

Step by Step Solution

1. Step 1: Write the proportion equation
   22,929.27 : 31,644.27 = 13,499.70 : x
2. Step 2: Convert to fraction form
   22,929.27/31,644.27 = 13,499.70/x
3. Step 3: Cross multiply
   22,929.27x = 31,644.27 × 13,499.70
4. Step 4: Simplify right side
   22,929.27x = 427,188,151.72
5. Step 5: Solve for x
   x = 427,188,151.72/22,929.27
6. Step 6: Final answer
   x = 18,630.69