Finding the Fourth Proportional to 10,166.85, 15,249.83 and 2,771.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,166.85 : 15,249.83 = 2,771.31 : x
2. Step 2: Convert to fraction form
   10,166.85/15,249.83 = 2,771.31/x
3. Step 3: Cross multiply
   10,166.85x = 15,249.83 × 2,771.31
4. Step 4: Simplify right side
   10,166.85x = 42,261,963.93
5. Step 5: Solve for x
   x = 42,261,963.93/10,166.85
6. Step 6: Final answer
   x = 4,156.84