Finding the Fourth Proportional to 9,503.01, 13,110.94 and 5,520.85

Step by Step Solution

1. Step 1: Write the proportion equation
   9,503.01 : 13,110.94 = 5,520.85 : x
2. Step 2: Convert to fraction form
   9,503.01/13,110.94 = 5,520.85/x
3. Step 3: Cross multiply
   9,503.01x = 13,110.94 × 5,520.85
4. Step 4: Simplify right side
   9,503.01x = 72,383,507.22
5. Step 5: Solve for x
   x = 72,383,507.22/9,503.01
6. Step 6: Final answer
   x = 7,616.90