Finding the Fourth Proportional to 2,772.45, 3,827.39 and 2,141.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,772.45 : 3,827.39 = 2,141.56 : x
2. Step 2: Convert to fraction form
   2,772.45/3,827.39 = 2,141.56/x
3. Step 3: Cross multiply
   2,772.45x = 3,827.39 × 2,141.56
4. Step 4: Simplify right side
   2,772.45x = 8,196,585.33
5. Step 5: Solve for x
   x = 8,196,585.33/2,772.45
6. Step 6: Final answer
   x = 2,956.44