Finding the Fourth Proportional to 3,852.37, 5,308.52 and 2,786.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,852.37 : 5,308.52 = 2,786.72 : x
2. Step 2: Convert to fraction form
   3,852.37/5,308.52 = 2,786.72/x
3. Step 3: Cross multiply
   3,852.37x = 5,308.52 × 2,786.72
4. Step 4: Simplify right side
   3,852.37x = 14,793,318.38
5. Step 5: Solve for x
   x = 14,793,318.38/3,852.37
6. Step 6: Final answer
   x = 3,840.06