Finding the Fourth Proportional to 10,608.46, 14,640.09 and 7,258.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,608.46 : 14,640.09 = 7,258.30 : x
2. Step 2: Convert to fraction form
   10,608.46/14,640.09 = 7,258.30/x
3. Step 3: Cross multiply
   10,608.46x = 14,640.09 × 7,258.30
4. Step 4: Simplify right side
   10,608.46x = 106,262,165.25
5. Step 5: Solve for x
   x = 106,262,165.25/10,608.46
6. Step 6: Final answer
   x = 10,016.74