Finding the Fourth Proportional to 3,953.36, 5,956.72 and 3,275.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,953.36 : 5,956.72 = 3,275.12 : x
2. Step 2: Convert to fraction form
   3,953.36/5,956.72 = 3,275.12/x
3. Step 3: Cross multiply
   3,953.36x = 5,956.72 × 3,275.12
4. Step 4: Simplify right side
   3,953.36x = 19,508,972.81
5. Step 5: Solve for x
   x = 19,508,972.81/3,953.36
6. Step 6: Final answer
   x = 4,934.78