Finding the Fourth Proportional to 9,540.27, 14,309.69 and 4,857.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,540.27 : 14,309.69 = 4,857.35 : x
2. Step 2: Convert to fraction form
   9,540.27/14,309.69 = 4,857.35/x
3. Step 3: Cross multiply
   9,540.27x = 14,309.69 × 4,857.35
4. Step 4: Simplify right side
   9,540.27x = 69,507,076.89
5. Step 5: Solve for x
   x = 69,507,076.89/9,540.27
6. Step 6: Final answer
   x = 7,285.65