Finding the Fourth Proportional to 9,617.54, 13,272.36 and 5,425.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,617.54 : 13,272.36 = 5,425.82 : x
2. Step 2: Convert to fraction form
   9,617.54/13,272.36 = 5,425.82/x
3. Step 3: Cross multiply
   9,617.54x = 13,272.36 × 5,425.82
4. Step 4: Simplify right side
   9,617.54x = 72,013,436.34
5. Step 5: Solve for x
   x = 72,013,436.34/9,617.54
6. Step 6: Final answer
   x = 7,487.72