Finding the Fourth Proportional to 9,747.34, 13,447.83 and 5,553.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,747.34 : 13,447.83 = 5,553.16 : x
2. Step 2: Convert to fraction form
   9,747.34/13,447.83 = 5,553.16/x
3. Step 3: Cross multiply
   9,747.34x = 13,447.83 × 5,553.16
4. Step 4: Simplify right side
   9,747.34x = 74,677,951.64
5. Step 5: Solve for x
   x = 74,677,951.64/9,747.34
6. Step 6: Final answer
   x = 7,661.37