Finding the Fourth Proportional to 3,846.65, 5,308.35 and 2,274.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,846.65 : 5,308.35 = 2,274.71 : x
2. Step 2: Convert to fraction form
   3,846.65/5,308.35 = 2,274.71/x
3. Step 3: Cross multiply
   3,846.65x = 5,308.35 × 2,274.71
4. Step 4: Simplify right side
   3,846.65x = 12,074,956.83
5. Step 5: Solve for x
   x = 12,074,956.83/3,846.65
6. Step 6: Final answer
   x = 3,139.08