Finding the Fourth Proportional to 2,074.81, 3,111.60 and 1,708.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.81 : 3,111.60 = 1,708.69 : x
2. Step 2: Convert to fraction form
   2,074.81/3,111.60 = 1,708.69/x
3. Step 3: Cross multiply
   2,074.81x = 3,111.60 × 1,708.69
4. Step 4: Simplify right side
   2,074.81x = 5,316,744.25
5. Step 5: Solve for x
   x = 5,316,744.25/2,074.81
6. Step 6: Final answer
   x = 2,562.53