Finding the Fourth Proportional to 2,776.08, 3,826.98 and 2,185.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,776.08 : 3,826.98 = 2,185.56 : x
2. Step 2: Convert to fraction form
   2,776.08/3,826.98 = 2,185.56/x
3. Step 3: Cross multiply
   2,776.08x = 3,826.98 × 2,185.56
4. Step 4: Simplify right side
   2,776.08x = 8,364,094.41
5. Step 5: Solve for x
   x = 8,364,094.41/2,776.08
6. Step 6: Final answer
   x = 3,012.92