Finding the Fourth Proportional to 9,422.78, 13,002.52 and 5,443.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,422.78 : 13,002.52 = 5,443.81 : x
2. Step 2: Convert to fraction form
   9,422.78/13,002.52 = 5,443.81/x
3. Step 3: Cross multiply
   9,422.78x = 13,002.52 × 5,443.81
4. Step 4: Simplify right side
   9,422.78x = 70,783,249.06
5. Step 5: Solve for x
   x = 70,783,249.06/9,422.78
6. Step 6: Final answer
   x = 7,511.93