Finding the Fourth Proportional to 10,772.88, 16,159.31 and 2,981.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,772.88 : 16,159.31 = 2,981.69 : x
2. Step 2: Convert to fraction form
   10,772.88/16,159.31 = 2,981.69/x
3. Step 3: Cross multiply
   10,772.88x = 16,159.31 × 2,981.69
4. Step 4: Simplify right side
   10,772.88x = 48,182,053.03
5. Step 5: Solve for x
   x = 48,182,053.03/10,772.88
6. Step 6: Final answer
   x = 4,472.53