Finding the Fourth Proportional to 9,945.04, 13,724.52 and 5,469

Step by Step Solution

1. Step 1: Write the proportion equation
   9,945.04 : 13,724.52 = 5,469 : x
2. Step 2: Convert to fraction form
   9,945.04/13,724.52 = 5,469/x
3. Step 3: Cross multiply
   9,945.04x = 13,724.52 × 5,469
4. Step 4: Simplify right side
   9,945.04x = 75,059,399.88
5. Step 5: Solve for x
   x = 75,059,399.88/9,945.04
6. Step 6: Final answer
   x = 7,547.42