Finding the Fourth Proportional to 9,422.82, 13,002.60 and 5,443.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,422.82 : 13,002.60 = 5,443.40 : x
2. Step 2: Convert to fraction form
   9,422.82/13,002.60 = 5,443.40/x
3. Step 3: Cross multiply
   9,422.82x = 13,002.60 × 5,443.40
4. Step 4: Simplify right side
   9,422.82x = 70,778,287.83
5. Step 5: Solve for x
   x = 70,778,287.83/9,422.82
6. Step 6: Final answer
   x = 7,511.37