Finding the Fourth Proportional to 3,846.86, 5,307.81 and 2,354.66

Step by Step Solution

1. Step 1: Write the proportion equation
   3,846.86 : 5,307.81 = 2,354.66 : x
2. Step 2: Convert to fraction form
   3,846.86/5,307.81 = 2,354.66/x
3. Step 3: Cross multiply
   3,846.86x = 5,307.81 × 2,354.66
4. Step 4: Simplify right side
   3,846.86x = 12,498,087.89
5. Step 5: Solve for x
   x = 12,498,087.89/3,846.86
6. Step 6: Final answer
   x = 3,248.91