Finding the Fourth Proportional to 3,846.94, 5,308.86 and 2,275.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,846.94 : 5,308.86 = 2,275.03 : x
2. Step 2: Convert to fraction form
   3,846.94/5,308.86 = 2,275.03/x
3. Step 3: Cross multiply
   3,846.94x = 5,308.86 × 2,275.03
4. Step 4: Simplify right side
   3,846.94x = 12,077,815.77
5. Step 5: Solve for x
   x = 12,077,815.77/3,846.94
6. Step 6: Final answer
   x = 3,139.59