Finding the Fourth Proportional to 8,969.22, 12,378.62 and 5,432.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,969.22 : 12,378.62 = 5,432.42 : x
2. Step 2: Convert to fraction form
   8,969.22/12,378.62 = 5,432.42/x
3. Step 3: Cross multiply
   8,969.22x = 12,378.62 × 5,432.42
4. Step 4: Simplify right side
   8,969.22x = 67,245,907.39
5. Step 5: Solve for x
   x = 67,245,907.39/8,969.22
6. Step 6: Final answer
   x = 7,497.41