Finding the Fourth Proportional to 9,939.50, 13,716.69 and 5,462.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,939.50 : 13,716.69 = 5,462.99 : x
2. Step 2: Convert to fraction form
   9,939.50/13,716.69 = 5,462.99/x
3. Step 3: Cross multiply
   9,939.50x = 13,716.69 × 5,462.99
4. Step 4: Simplify right side
   9,939.50x = 74,934,071.72
5. Step 5: Solve for x
   x = 74,934,071.72/9,939.50
6. Step 6: Final answer
   x = 7,539.02