Finding the Fourth Proportional to 9,939.62, 13,716.71 and 5,463.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,939.62 : 13,716.71 = 5,463.83 : x
2. Step 2: Convert to fraction form
   9,939.62/13,716.71 = 5,463.83/x
3. Step 3: Cross multiply
   9,939.62x = 13,716.71 × 5,463.83
4. Step 4: Simplify right side
   9,939.62x = 74,945,819.55
5. Step 5: Solve for x
   x = 74,945,819.55/9,939.62
6. Step 6: Final answer
   x = 7,540.11