Finding the Fourth Proportional to 3,275.10, 4,908.78 and 3,238.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,275.10 : 4,908.78 = 3,238.56 : x
2. Step 2: Convert to fraction form
   3,275.10/4,908.78 = 3,238.56/x
3. Step 3: Cross multiply
   3,275.10x = 4,908.78 × 3,238.56
4. Step 4: Simplify right side
   3,275.10x = 15,897,378.56
5. Step 5: Solve for x
   x = 15,897,378.56/3,275.10
6. Step 6: Final answer
   x = 4,854.01