Finding the Fourth Proportional to 1,571.55, 2,357.32 and 705.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,571.55 : 2,357.32 = 705.25 : x
2. Step 2: Convert to fraction form
   1,571.55/2,357.32 = 705.25/x
3. Step 3: Cross multiply
   1,571.55x = 2,357.32 × 705.25
4. Step 4: Simplify right side
   1,571.55x = 1,662,499.93
5. Step 5: Solve for x
   x = 1,662,499.93/1,571.55
6. Step 6: Final answer
   x = 1,057.87