Finding the Fourth Proportional to 22,796.71, 31,464.71 and 13,368.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,796.71 : 31,464.71 = 13,368.31 : x
2. Step 2: Convert to fraction form
   22,796.71/31,464.71 = 13,368.31/x
3. Step 3: Cross multiply
   22,796.71x = 31,464.71 × 13,368.31
4. Step 4: Simplify right side
   22,796.71x = 420,629,997.34
5. Step 5: Solve for x
   x = 420,629,997.34/22,796.71
6. Step 6: Final answer
   x = 18,451.35