Finding the Fourth Proportional to 2,608.81, 3,906.12 and 1,373.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.81 : 3,906.12 = 1,373.56 : x
2. Step 2: Convert to fraction form
   2,608.81/3,906.12 = 1,373.56/x
3. Step 3: Cross multiply
   2,608.81x = 3,906.12 × 1,373.56
4. Step 4: Simplify right side
   2,608.81x = 5,365,285.57
5. Step 5: Solve for x
   x = 5,365,285.57/2,608.81
6. Step 6: Final answer
   x = 2,056.60