Finding the Fourth Proportional to 3,826.80, 5,736.47 and 2,094.21

Step by Step Solution

1. Step 1: Write the proportion equation
   3,826.80 : 5,736.47 = 2,094.21 : x
2. Step 2: Convert to fraction form
   3,826.80/5,736.47 = 2,094.21/x
3. Step 3: Cross multiply
   3,826.80x = 5,736.47 × 2,094.21
4. Step 4: Simplify right side
   3,826.80x = 12,013,362.37
5. Step 5: Solve for x
   x = 12,013,362.37/3,826.80
6. Step 6: Final answer
   x = 3,139.27