Finding the Fourth Proportional to 9,880.82, 14,831.67 and 9,657.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,880.82 : 14,831.67 = 9,657.72 : x
2. Step 2: Convert to fraction form
   9,880.82/14,831.67 = 9,657.72/x
3. Step 3: Cross multiply
   9,880.82x = 14,831.67 × 9,657.72
4. Step 4: Simplify right side
   9,880.82x = 143,240,110.49
5. Step 5: Solve for x
   x = 143,240,110.49/9,880.82
6. Step 6: Final answer
   x = 14,496.78