Finding the Fourth Proportional to 22,265.94, 30,726.24 and 13,311.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,265.94 : 30,726.24 = 13,311.42 : x
2. Step 2: Convert to fraction form
   22,265.94/30,726.24 = 13,311.42/x
3. Step 3: Cross multiply
   22,265.94x = 30,726.24 × 13,311.42
4. Step 4: Simplify right side
   22,265.94x = 409,009,885.66
5. Step 5: Solve for x
   x = 409,009,885.66/22,265.94
6. Step 6: Final answer
   x = 18,369.31