Finding the Fourth Proportional to 9,501.45, 13,109.73 and 5,520.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,501.45 : 13,109.73 = 5,520.18 : x
2. Step 2: Convert to fraction form
   9,501.45/13,109.73 = 5,520.18/x
3. Step 3: Cross multiply
   9,501.45x = 13,109.73 × 5,520.18
4. Step 4: Simplify right side
   9,501.45x = 72,368,069.35
5. Step 5: Solve for x
   x = 72,368,069.35/9,501.45
6. Step 6: Final answer
   x = 7,616.53