Finding the Fourth Proportional to 3,846.42, 5,304.51 and 2,854.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,846.42 : 5,304.51 = 2,854.17 : x
2. Step 2: Convert to fraction form
   3,846.42/5,304.51 = 2,854.17/x
3. Step 3: Cross multiply
   3,846.42x = 5,304.51 × 2,854.17
4. Step 4: Simplify right side
   3,846.42x = 15,139,973.31
5. Step 5: Solve for x
   x = 15,139,973.31/3,846.42
6. Step 6: Final answer
   x = 3,936.12