Finding the Fourth Proportional to 9,939.54, 13,716.72 and 5,463.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,939.54 : 13,716.72 = 5,463.48 : x
2. Step 2: Convert to fraction form
   9,939.54/13,716.72 = 5,463.48/x
3. Step 3: Cross multiply
   9,939.54x = 13,716.72 × 5,463.48
4. Step 4: Simplify right side
   9,939.54x = 74,941,025.39
5. Step 5: Solve for x
   x = 74,941,025.39/9,939.54
6. Step 6: Final answer
   x = 7,539.69