Finding the Fourth Proportional to 10,707.45, 14,780.54 and 7,258.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,707.45 : 14,780.54 = 7,258.83 : x
2. Step 2: Convert to fraction form
   10,707.45/14,780.54 = 7,258.83/x
3. Step 3: Cross multiply
   10,707.45x = 14,780.54 × 7,258.83
4. Step 4: Simplify right side
   10,707.45x = 107,289,353.92
5. Step 5: Solve for x
   x = 107,289,353.92/10,707.45
6. Step 6: Final answer
   x = 10,020.06