Finding the Fourth Proportional to 9,308.43, 13,960.35 and 5,561.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,308.43 : 13,960.35 = 5,561.24 : x
2. Step 2: Convert to fraction form
   9,308.43/13,960.35 = 5,561.24/x
3. Step 3: Cross multiply
   9,308.43x = 13,960.35 × 5,561.24
4. Step 4: Simplify right side
   9,308.43x = 77,636,787.03
5. Step 5: Solve for x
   x = 77,636,787.03/9,308.43
6. Step 6: Final answer
   x = 8,340.48