Finding the Fourth Proportional to 11,772.16, 17,660.52 and 3,981.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,772.16 : 17,660.52 = 3,981.52 : x
2. Step 2: Convert to fraction form
   11,772.16/17,660.52 = 3,981.52/x
3. Step 3: Cross multiply
   11,772.16x = 17,660.52 × 3,981.52
4. Step 4: Simplify right side
   11,772.16x = 70,315,713.59
5. Step 5: Solve for x
   x = 70,315,713.59/11,772.16
6. Step 6: Final answer
   x = 5,973.05