Finding the Fourth Proportional to 3,626.78, 5,004.58 and 2,134.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,626.78 : 5,004.58 = 2,134.61 : x
2. Step 2: Convert to fraction form
   3,626.78/5,004.58 = 2,134.61/x
3. Step 3: Cross multiply
   3,626.78x = 5,004.58 × 2,134.61
4. Step 4: Simplify right side
   3,626.78x = 10,682,818.92
5. Step 5: Solve for x
   x = 10,682,818.92/3,626.78
6. Step 6: Final answer
   x = 2,945.54