Finding the Fourth Proportional to 2,572.09, 3,858.82 and 1,112.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572.09 : 3,858.82 = 1,112.27 : x
2. Step 2: Convert to fraction form
   2,572.09/3,858.82 = 1,112.27/x
3. Step 3: Cross multiply
   2,572.09x = 3,858.82 × 1,112.27
4. Step 4: Simplify right side
   2,572.09x = 4,292,049.72
5. Step 5: Solve for x
   x = 4,292,049.72/2,572.09
6. Step 6: Final answer
   x = 1,668.70