Finding the Fourth Proportional to 9,674.94, 13,351.28 and 5,425.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,674.94 : 13,351.28 = 5,425.98 : x
2. Step 2: Convert to fraction form
   9,674.94/13,351.28 = 5,425.98/x
3. Step 3: Cross multiply
   9,674.94x = 13,351.28 × 5,425.98
4. Step 4: Simplify right side
   9,674.94x = 72,443,778.25
5. Step 5: Solve for x
   x = 72,443,778.25/9,674.94
6. Step 6: Final answer
   x = 7,487.78