Finding the Fourth Proportional to 9,802.49, 13,524.17 and 5,553.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,802.49 : 13,524.17 = 5,553.12 : x
2. Step 2: Convert to fraction form
   9,802.49/13,524.17 = 5,553.12/x
3. Step 3: Cross multiply
   9,802.49x = 13,524.17 × 5,553.12
4. Step 4: Simplify right side
   9,802.49x = 75,101,311.14
5. Step 5: Solve for x
   x = 75,101,311.14/9,802.49
6. Step 6: Final answer
   x = 7,661.46