Finding the Fourth Proportional to 9,939.99, 13,716.82 and 5,463.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,939.99 : 13,716.82 = 5,463.48 : x
2. Step 2: Convert to fraction form
   9,939.99/13,716.82 = 5,463.48/x
3. Step 3: Cross multiply
   9,939.99x = 13,716.82 × 5,463.48
4. Step 4: Simplify right side
   9,939.99x = 74,941,498.90
5. Step 5: Solve for x
   x = 74,941,498.90/9,939.99
6. Step 6: Final answer
   x = 7,539.39