Finding the Fourth Proportional to 9,711.72, 13,403.25 and 5,463.90

Step by Step Solution

1. Step 1: Write the proportion equation
   9,711.72 : 13,403.25 = 5,463.90 : x
2. Step 2: Convert to fraction form
   9,711.72/13,403.25 = 5,463.90/x
3. Step 3: Cross multiply
   9,711.72x = 13,403.25 × 5,463.90
4. Step 4: Simplify right side
   9,711.72x = 73,234,017.68
5. Step 5: Solve for x
   x = 73,234,017.68/9,711.72
6. Step 6: Final answer
   x = 7,540.79