Finding the Fourth Proportional to 9,939.35, 13,716.27 and 5,463.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,939.35 : 13,716.27 = 5,463.38 : x
2. Step 2: Convert to fraction form
   9,939.35/13,716.27 = 5,463.38/x
3. Step 3: Cross multiply
   9,939.35x = 13,716.27 × 5,463.38
4. Step 4: Simplify right side
   9,939.35x = 74,937,126.61
5. Step 5: Solve for x
   x = 74,937,126.61/9,939.35
6. Step 6: Final answer
   x = 7,539.44