Finding the Fourth Proportional to 9,741.20, 13,439.86 and 5,960.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,741.20 : 13,439.86 = 5,960.42 : x
2. Step 2: Convert to fraction form
   9,741.20/13,439.86 = 5,960.42/x
3. Step 3: Cross multiply
   9,741.20x = 13,439.86 × 5,960.42
4. Step 4: Simplify right side
   9,741.20x = 80,107,178.64
5. Step 5: Solve for x
   x = 80,107,178.64/9,741.20
6. Step 6: Final answer
   x = 8,223.55