Finding the Fourth Proportional to 2,074.56, 3,111.60 and 706.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.56 : 3,111.60 = 706.56 : x
2. Step 2: Convert to fraction form
   2,074.56/3,111.60 = 706.56/x
3. Step 3: Cross multiply
   2,074.56x = 3,111.60 × 706.56
4. Step 4: Simplify right side
   2,074.56x = 2,198,532.10
5. Step 5: Solve for x
   x = 2,198,532.10/2,074.56
6. Step 6: Final answer
   x = 1,059.76