Finding the Fourth Proportional to 9,353.37, 14,028.69 and 2,778.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,353.37 : 14,028.69 = 2,778.71 : x
2. Step 2: Convert to fraction form
   9,353.37/14,028.69 = 2,778.71/x
3. Step 3: Cross multiply
   9,353.37x = 14,028.69 × 2,778.71
4. Step 4: Simplify right side
   9,353.37x = 38,981,601.47
5. Step 5: Solve for x
   x = 38,981,601.47/9,353.37
6. Step 6: Final answer
   x = 4,167.65