Finding the Fourth Proportional to 22,724.17, 31,361.76 and 13,300.63

Step by Step Solution

1. Step 1: Write the proportion equation
   22,724.17 : 31,361.76 = 13,300.63 : x
2. Step 2: Convert to fraction form
   22,724.17/31,361.76 = 13,300.63/x
3. Step 3: Cross multiply
   22,724.17x = 31,361.76 × 13,300.63
4. Step 4: Simplify right side
   22,724.17x = 417,131,087.50
5. Step 5: Solve for x
   x = 417,131,087.50/22,724.17
6. Step 6: Final answer
   x = 18,356.28