Finding the Fourth Proportional to 9,422.26, 13,003.17 and 5,443.90

Step by Step Solution

1. Step 1: Write the proportion equation
   9,422.26 : 13,003.17 = 5,443.90 : x
2. Step 2: Convert to fraction form
   9,422.26/13,003.17 = 5,443.90/x
3. Step 3: Cross multiply
   9,422.26x = 13,003.17 × 5,443.90
4. Step 4: Simplify right side
   9,422.26x = 70,787,957.16
5. Step 5: Solve for x
   x = 70,787,957.16/9,422.26
6. Step 6: Final answer
   x = 7,512.84