Finding the Fourth Proportional to 9,939.34, 13,716.43 and 5,463.51

Step by Step Solution

1. Step 1: Write the proportion equation
   9,939.34 : 13,716.43 = 5,463.51 : x
2. Step 2: Convert to fraction form
   9,939.34/13,716.43 = 5,463.51/x
3. Step 3: Cross multiply
   9,939.34x = 13,716.43 × 5,463.51
4. Step 4: Simplify right side
   9,939.34x = 74,939,783.89
5. Step 5: Solve for x
   x = 74,939,783.89/9,939.34
6. Step 6: Final answer
   x = 7,539.71