Finding the Fourth Proportional to 9,718.68, 14,550.28 and 7,388.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,718.68 : 14,550.28 = 7,388.18 : x
2. Step 2: Convert to fraction form
   9,718.68/14,550.28 = 7,388.18/x
3. Step 3: Cross multiply
   9,718.68x = 14,550.28 × 7,388.18
4. Step 4: Simplify right side
   9,718.68x = 107,500,087.69
5. Step 5: Solve for x
   x = 107,500,087.69/9,718.68
6. Step 6: Final answer
   x = 11,061.18