Finding the Fourth Proportional to 9,313.72, 13,972.41 and 3,073.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,313.72 : 13,972.41 = 3,073.48 : x
2. Step 2: Convert to fraction form
   9,313.72/13,972.41 = 3,073.48/x
3. Step 3: Cross multiply
   9,313.72x = 13,972.41 × 3,073.48
4. Step 4: Simplify right side
   9,313.72x = 42,943,922.69
5. Step 5: Solve for x
   x = 42,943,922.69/9,313.72
6. Step 6: Final answer
   x = 4,610.82