Finding the Fourth Proportional to 2,570.16, 3,855.75 and 1,472.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570.16 : 3,855.75 = 1,472.23 : x
2. Step 2: Convert to fraction form
   2,570.16/3,855.75 = 1,472.23/x
3. Step 3: Cross multiply
   2,570.16x = 3,855.75 × 1,472.23
4. Step 4: Simplify right side
   2,570.16x = 5,676,550.82
5. Step 5: Solve for x
   x = 5,676,550.82/2,570.16
6. Step 6: Final answer
   x = 2,208.64