Finding the Fourth Proportional to 9,313.96, 13,969.57 and 3,074.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,313.96 : 13,969.57 = 3,074.18 : x
2. Step 2: Convert to fraction form
   9,313.96/13,969.57 = 3,074.18/x
3. Step 3: Cross multiply
   9,313.96x = 13,969.57 × 3,074.18
4. Step 4: Simplify right side
   9,313.96x = 42,944,895.17
5. Step 5: Solve for x
   x = 42,944,895.17/9,313.96
6. Step 6: Final answer
   x = 4,610.81