Finding the Fourth Proportional to 22,276.72, 33,422.10 and 13,401.75

Step by Step Solution

1. Step 1: Write the proportion equation
   22,276.72 : 33,422.10 = 13,401.75 : x
2. Step 2: Convert to fraction form
   22,276.72/33,422.10 = 13,401.75/x
3. Step 3: Cross multiply
   22,276.72x = 33,422.10 × 13,401.75
4. Step 4: Simplify right side
   22,276.72x = 447,914,561.67
5. Step 5: Solve for x
   x = 447,914,561.67/22,276.72
6. Step 6: Final answer
   x = 20,106.85