Finding the Fourth Proportional to 9,601.32, 13,250.78 and 5,353.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,601.32 : 13,250.78 = 5,353.08 : x
2. Step 2: Convert to fraction form
   9,601.32/13,250.78 = 5,353.08/x
3. Step 3: Cross multiply
   9,601.32x = 13,250.78 × 5,353.08
4. Step 4: Simplify right side
   9,601.32x = 70,932,485.40
5. Step 5: Solve for x
   x = 70,932,485.40/9,601.32
6. Step 6: Final answer
   x = 7,387.78