Finding the Fourth Proportional to 9,480.72, 14,221.06 and 3,934.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,480.72 : 14,221.06 = 3,934.20 : x
2. Step 2: Convert to fraction form
   9,480.72/14,221.06 = 3,934.20/x
3. Step 3: Cross multiply
   9,480.72x = 14,221.06 × 3,934.20
4. Step 4: Simplify right side
   9,480.72x = 55,948,494.25
5. Step 5: Solve for x
   x = 55,948,494.25/9,480.72
6. Step 6: Final answer
   x = 5,901.29