Finding the Fourth Proportional to 9,422.30, 14,132.91 and 3,578.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,422.30 : 14,132.91 = 3,578.42 : x
2. Step 2: Convert to fraction form
   9,422.30/14,132.91 = 3,578.42/x
3. Step 3: Cross multiply
   9,422.30x = 14,132.91 × 3,578.42
4. Step 4: Simplify right side
   9,422.30x = 50,573,487.80
5. Step 5: Solve for x
   x = 50,573,487.80/9,422.30
6. Step 6: Final answer
   x = 5,367.42