Finding the Fourth Proportional to 9,142.09, 13,710.29 and 3,297.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,142.09 : 13,710.29 = 3,297.94 : x
2. Step 2: Convert to fraction form
   9,142.09/13,710.29 = 3,297.94/x
3. Step 3: Cross multiply
   9,142.09x = 13,710.29 × 3,297.94
4. Step 4: Simplify right side
   9,142.09x = 45,215,713.80
5. Step 5: Solve for x
   x = 45,215,713.80/9,142.09
6. Step 6: Final answer
   x = 4,945.88