Finding the Fourth Proportional to 10,781.17, 16,153.79 and 3,757.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,781.17 : 16,153.79 = 3,757.31 : x
2. Step 2: Convert to fraction form
   10,781.17/16,153.79 = 3,757.31/x
3. Step 3: Cross multiply
   10,781.17x = 16,153.79 × 3,757.31
4. Step 4: Simplify right side
   10,781.17x = 60,694,805.80
5. Step 5: Solve for x
   x = 60,694,805.80/10,781.17
6. Step 6: Final answer
   x = 5,629.71