Finding the Fourth Proportional to 2,608.83, 3,910.50 and 1,914.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.83 : 3,910.50 = 1,914.45 : x
2. Step 2: Convert to fraction form
   2,608.83/3,910.50 = 1,914.45/x
3. Step 3: Cross multiply
   2,608.83x = 3,910.50 × 1,914.45
4. Step 4: Simplify right side
   2,608.83x = 7,486,456.73
5. Step 5: Solve for x
   x = 7,486,456.73/2,608.83
6. Step 6: Final answer
   x = 2,869.66