Finding the Fourth Proportional to 9,601.32, 13,249.80 and 5,409.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,601.32 : 13,249.80 = 5,409.54 : x
2. Step 2: Convert to fraction form
   9,601.32/13,249.80 = 5,409.54/x
3. Step 3: Cross multiply
   9,601.32x = 13,249.80 × 5,409.54
4. Step 4: Simplify right side
   9,601.32x = 71,675,323.09
5. Step 5: Solve for x
   x = 71,675,323.09/9,601.32
6. Step 6: Final answer
   x = 7,465.15