Finding the Fourth Proportional to 9,497.72, 13,105.72 and 5,720.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,497.72 : 13,105.72 = 5,720.83 : x
2. Step 2: Convert to fraction form
   9,497.72/13,105.72 = 5,720.83/x
3. Step 3: Cross multiply
   9,497.72x = 13,105.72 × 5,720.83
4. Step 4: Simplify right side
   9,497.72x = 74,975,596.15
5. Step 5: Solve for x
   x = 74,975,596.15/9,497.72
6. Step 6: Final answer
   x = 7,894.06