Finding the Fourth Proportional to 3,864.42, 5,750.15 and 3,851.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,864.42 : 5,750.15 = 3,851.46 : x
2. Step 2: Convert to fraction form
   3,864.42/5,750.15 = 3,851.46/x
3. Step 3: Cross multiply
   3,864.42x = 5,750.15 × 3,851.46
4. Step 4: Simplify right side
   3,864.42x = 22,146,453.46
5. Step 5: Solve for x
   x = 22,146,453.46/3,864.42
6. Step 6: Final answer
   x = 5,730.86