Finding the Fourth Proportional to 22,662.72, 31,276.53 and 13,234.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,662.72 : 31,276.53 = 13,234.32 : x
2. Step 2: Convert to fraction form
   22,662.72/31,276.53 = 13,234.32/x
3. Step 3: Cross multiply
   22,662.72x = 31,276.53 × 13,234.32
4. Step 4: Simplify right side
   22,662.72x = 413,923,606.51
5. Step 5: Solve for x
   x = 413,923,606.51/22,662.72
6. Step 6: Final answer
   x = 18,264.52