Finding the Fourth Proportional to 9,945.05, 13,724.50 and 5,468.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,945.05 : 13,724.50 = 5,468.99 : x
2. Step 2: Convert to fraction form
   9,945.05/13,724.50 = 5,468.99/x
3. Step 3: Cross multiply
   9,945.05x = 13,724.50 × 5,468.99
4. Step 4: Simplify right side
   9,945.05x = 75,059,153.26
5. Step 5: Solve for x
   x = 75,059,153.26/9,945.05
6. Step 6: Final answer
   x = 7,547.39