Finding the Fourth Proportional to 3,238.56, 4,854.78 and 2,654.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,238.56 : 4,854.78 = 2,654.82 : x
2. Step 2: Convert to fraction form
   3,238.56/4,854.78 = 2,654.82/x
3. Step 3: Cross multiply
   3,238.56x = 4,854.78 × 2,654.82
4. Step 4: Simplify right side
   3,238.56x = 12,888,567.04
5. Step 5: Solve for x
   x = 12,888,567.04/3,238.56
6. Step 6: Final answer
   x = 3,979.72