Finding the Fourth Proportional to 9,219.52, 12,727.60 and 5,443.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,219.52 : 12,727.60 = 5,443.82 : x
2. Step 2: Convert to fraction form
   9,219.52/12,727.60 = 5,443.82/x
3. Step 3: Cross multiply
   9,219.52x = 12,727.60 × 5,443.82
4. Step 4: Simplify right side
   9,219.52x = 69,286,763.43
5. Step 5: Solve for x
   x = 69,286,763.43/9,219.52
6. Step 6: Final answer
   x = 7,515.22