Finding the Fourth Proportional to 1,571.94, 2,357.55 and 706.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,571.94 : 2,357.55 = 706.50 : x
2. Step 2: Convert to fraction form
   1,571.94/2,357.55 = 706.50/x
3. Step 3: Cross multiply
   1,571.94x = 2,357.55 × 706.50
4. Step 4: Simplify right side
   1,571.94x = 1,665,609.08
5. Step 5: Solve for x
   x = 1,665,609.08/1,571.94
6. Step 6: Final answer
   x = 1,059.59