Finding the Fourth Proportional to 9,485.30, 14,229.60 and 3,935.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,485.30 : 14,229.60 = 3,935.60 : x
2. Step 2: Convert to fraction form
   9,485.30/14,229.60 = 3,935.60/x
3. Step 3: Cross multiply
   9,485.30x = 14,229.60 × 3,935.60
4. Step 4: Simplify right side
   9,485.30x = 56,002,013.76
5. Step 5: Solve for x
   x = 56,002,013.76/9,485.30
6. Step 6: Final answer
   x = 5,904.08