Finding the Fourth Proportional to 22,662.24, 31,274.16 and 13,710.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,662.24 : 31,274.16 = 13,710.72 : x
2. Step 2: Convert to fraction form
   22,662.24/31,274.16 = 13,710.72/x
3. Step 3: Cross multiply
   22,662.24x = 31,274.16 × 13,710.72
4. Step 4: Simplify right side
   22,662.24x = 428,791,251.00
5. Step 5: Solve for x
   x = 428,791,251.00/22,662.24
6. Step 6: Final answer
   x = 18,920.96