Finding the Fourth Proportional to 10,981.22, 16,472.56 and 3,864.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,981.22 : 16,472.56 = 3,864.60 : x
2. Step 2: Convert to fraction form
   10,981.22/16,472.56 = 3,864.60/x
3. Step 3: Cross multiply
   10,981.22x = 16,472.56 × 3,864.60
4. Step 4: Simplify right side
   10,981.22x = 63,659,855.38
5. Step 5: Solve for x
   x = 63,659,855.38/10,981.22
6. Step 6: Final answer
   x = 5,797.16