Finding the Fourth Proportional to 9,825.52, 13,559.57 and 5,349.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,825.52 : 13,559.57 = 5,349.05 : x
2. Step 2: Convert to fraction form
   9,825.52/13,559.57 = 5,349.05/x
3. Step 3: Cross multiply
   9,825.52x = 13,559.57 × 5,349.05
4. Step 4: Simplify right side
   9,825.52x = 72,530,791.16
5. Step 5: Solve for x
   x = 72,530,791.16/9,825.52
6. Step 6: Final answer
   x = 7,381.88