Finding the Fourth Proportional to 22,353, 33,478.47 and 10,674.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,353 : 33,478.47 = 10,674.42 : x
2. Step 2: Convert to fraction form
   22,353/33,478.47 = 10,674.42/x
3. Step 3: Cross multiply
   22,353x = 33,478.47 × 10,674.42
4. Step 4: Simplify right side
   22,353x = 357,363,249.74
5. Step 5: Solve for x
   x = 357,363,249.74/22,353
6. Step 6: Final answer
   x = 15,987.26