Finding the Fourth Proportional to 9,536.54, 13,160.18 and 5,287.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,536.54 : 13,160.18 = 5,287.61 : x
2. Step 2: Convert to fraction form
   9,536.54/13,160.18 = 5,287.61/x
3. Step 3: Cross multiply
   9,536.54x = 13,160.18 × 5,287.61
4. Step 4: Simplify right side
   9,536.54x = 69,585,945.49
5. Step 5: Solve for x
   x = 69,585,945.49/9,536.54
6. Step 6: Final answer
   x = 7,296.77