Finding the Fourth Proportional to 9,500.97, 13,115.75 and 5,520.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,500.97 : 13,115.75 = 5,520.63 : x
2. Step 2: Convert to fraction form
   9,500.97/13,115.75 = 5,520.63/x
3. Step 3: Cross multiply
   9,500.97x = 13,115.75 × 5,520.63
4. Step 4: Simplify right side
   9,500.97x = 72,407,175.32
5. Step 5: Solve for x
   x = 72,407,175.32/9,500.97
6. Step 6: Final answer
   x = 7,621.03