Finding the Fourth Proportional to 9,535.89, 13,160.22 and 5,287.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,535.89 : 13,160.22 = 5,287.17 : x
2. Step 2: Convert to fraction form
   9,535.89/13,160.22 = 5,287.17/x
3. Step 3: Cross multiply
   9,535.89x = 13,160.22 × 5,287.17
4. Step 4: Simplify right side
   9,535.89x = 69,580,320.38
5. Step 5: Solve for x
   x = 69,580,320.38/9,535.89
6. Step 6: Final answer
   x = 7,296.68