Finding the Fourth Proportional to 9,477.42, 14,221.27 and 3,934.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,477.42 : 14,221.27 = 3,934.57 : x
2. Step 2: Convert to fraction form
   9,477.42/14,221.27 = 3,934.57/x
3. Step 3: Cross multiply
   9,477.42x = 14,221.27 × 3,934.57
4. Step 4: Simplify right side
   9,477.42x = 55,954,582.30
5. Step 5: Solve for x
   x = 55,954,582.30/9,477.42
6. Step 6: Final answer
   x = 5,903.99