Finding the Fourth Proportional to 9,522.25, 13,137.51 and 5,540.11

Step by Step Solution

1. Step 1: Write the proportion equation
   9,522.25 : 13,137.51 = 5,540.11 : x
2. Step 2: Convert to fraction form
   9,522.25/13,137.51 = 5,540.11/x
3. Step 3: Cross multiply
   9,522.25x = 13,137.51 × 5,540.11
4. Step 4: Simplify right side
   9,522.25x = 72,783,250.53
5. Step 5: Solve for x
   x = 72,783,250.53/9,522.25
6. Step 6: Final answer
   x = 7,643.49