Finding the Fourth Proportional to 22,274.82, 30,734.24 and 13,320.86

Step by Step Solution

1. Step 1: Write the proportion equation
   22,274.82 : 30,734.24 = 13,320.86 : x
2. Step 2: Convert to fraction form
   22,274.82/30,734.24 = 13,320.86/x
3. Step 3: Cross multiply
   22,274.82x = 30,734.24 × 13,320.86
4. Step 4: Simplify right side
   22,274.82x = 409,406,287.97
5. Step 5: Solve for x
   x = 409,406,287.97/22,274.82
6. Step 6: Final answer
   x = 18,379.78