Finding the Fourth Proportional to 9,522.81, 13,141.97 and 5,274.33

Step by Step Solution

1. Step 1: Write the proportion equation
   9,522.81 : 13,141.97 = 5,274.33 : x
2. Step 2: Convert to fraction form
   9,522.81/13,141.97 = 5,274.33/x
3. Step 3: Cross multiply
   9,522.81x = 13,141.97 × 5,274.33
4. Step 4: Simplify right side
   9,522.81x = 69,315,147.23
5. Step 5: Solve for x
   x = 69,315,147.23/9,522.81
6. Step 6: Final answer
   x = 7,278.85