Finding the Fourth Proportional to 9,520.35, 13,134.90 and 5,540.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,520.35 : 13,134.90 = 5,540.62 : x
2. Step 2: Convert to fraction form
   9,520.35/13,134.90 = 5,540.62/x
3. Step 3: Cross multiply
   9,520.35x = 13,134.90 × 5,540.62
4. Step 4: Simplify right side
   9,520.35x = 72,775,477.58
5. Step 5: Solve for x
   x = 72,775,477.58/9,520.35
6. Step 6: Final answer
   x = 7,644.20