Finding the Fourth Proportional to 2,074.93, 3,111.79 and 1,708.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.93 : 3,111.79 = 1,708.81 : x
2. Step 2: Convert to fraction form
   2,074.93/3,111.79 = 1,708.81/x
3. Step 3: Cross multiply
   2,074.93x = 3,111.79 × 1,708.81
4. Step 4: Simplify right side
   2,074.93x = 5,317,453.60
5. Step 5: Solve for x
   x = 5,317,453.60/2,074.93
6. Step 6: Final answer
   x = 2,562.71