Finding the Fourth Proportional to 9,507.91, 13,120.82 and 5,475.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,507.91 : 13,120.82 = 5,475.53 : x
2. Step 2: Convert to fraction form
   9,507.91/13,120.82 = 5,475.53/x
3. Step 3: Cross multiply
   9,507.91x = 13,120.82 × 5,475.53
4. Step 4: Simplify right side
   9,507.91x = 71,843,443.53
5. Step 5: Solve for x
   x = 71,843,443.53/9,507.91
6. Step 6: Final answer
   x = 7,556.18