Finding the Fourth Proportional to 9,650.95, 13,318.55 and 5,401.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,650.95 : 13,318.55 = 5,401.98 : x
2. Step 2: Convert to fraction form
   9,650.95/13,318.55 = 5,401.98/x
3. Step 3: Cross multiply
   9,650.95x = 13,318.55 × 5,401.98
4. Step 4: Simplify right side
   9,650.95x = 71,946,540.73
5. Step 5: Solve for x
   x = 71,946,540.73/9,650.95
6. Step 6: Final answer
   x = 7,454.87