Finding the Fourth Proportional to 9,270.82, 13,903.34 and 3,113.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,270.82 : 13,903.34 = 3,113.38 : x
2. Step 2: Convert to fraction form
   9,270.82/13,903.34 = 3,113.38/x
3. Step 3: Cross multiply
   9,270.82x = 13,903.34 × 3,113.38
4. Step 4: Simplify right side
   9,270.82x = 43,286,380.69
5. Step 5: Solve for x
   x = 43,286,380.69/9,270.82
6. Step 6: Final answer
   x = 4,669.10