Finding the Fourth Proportional to 3,057.86, 4,223.32 and 2,061.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,057.86 : 4,223.32 = 2,061.42 : x
2. Step 2: Convert to fraction form
   3,057.86/4,223.32 = 2,061.42/x
3. Step 3: Cross multiply
   3,057.86x = 4,223.32 × 2,061.42
4. Step 4: Simplify right side
   3,057.86x = 8,706,036.31
5. Step 5: Solve for x
   x = 8,706,036.31/3,057.86
6. Step 6: Final answer
   x = 2,847.10