Finding the Fourth Proportional to 3,849.43, 5,770.60 and 2,091.87

Step by Step Solution

1. Step 1: Write the proportion equation
   3,849.43 : 5,770.60 = 2,091.87 : x
2. Step 2: Convert to fraction form
   3,849.43/5,770.60 = 2,091.87/x
3. Step 3: Cross multiply
   3,849.43x = 5,770.60 × 2,091.87
4. Step 4: Simplify right side
   3,849.43x = 12,071,345.02
5. Step 5: Solve for x
   x = 12,071,345.02/3,849.43
6. Step 6: Final answer
   x = 3,135.88