Finding the Fourth Proportional to 9,422.70, 13,002.43 and 5,443.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,422.70 : 13,002.43 = 5,443.27 : x
2. Step 2: Convert to fraction form
   9,422.70/13,002.43 = 5,443.27/x
3. Step 3: Cross multiply
   9,422.70x = 13,002.43 × 5,443.27
4. Step 4: Simplify right side
   9,422.70x = 70,775,737.15
5. Step 5: Solve for x
   x = 70,775,737.15/9,422.70
6. Step 6: Final answer
   x = 7,511.20