Finding the Fourth Proportional to 9,480.89, 14,215.25 and 3,938.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,480.89 : 14,215.25 = 3,938.06 : x
2. Step 2: Convert to fraction form
   9,480.89/14,215.25 = 3,938.06/x
3. Step 3: Cross multiply
   9,480.89x = 14,215.25 × 3,938.06
4. Step 4: Simplify right side
   9,480.89x = 55,980,507.42
5. Step 5: Solve for x
   x = 55,980,507.42/9,480.89
6. Step 6: Final answer
   x = 5,904.56