Finding the Fourth Proportional to 3,846.30, 5,770.31 and 2,092.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,846.30 : 5,770.31 = 2,092.88 : x
2. Step 2: Convert to fraction form
   3,846.30/5,770.31 = 2,092.88/x
3. Step 3: Cross multiply
   3,846.30x = 5,770.31 × 2,092.88
4. Step 4: Simplify right side
   3,846.30x = 12,076,570.35
5. Step 5: Solve for x
   x = 12,076,570.35/3,846.30
6. Step 6: Final answer
   x = 3,139.79