Finding the Fourth Proportional to 2,570.04, 3,857.22 and 1,272.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570.04 : 3,857.22 = 1,272.96 : x
2. Step 2: Convert to fraction form
   2,570.04/3,857.22 = 1,272.96/x
3. Step 3: Cross multiply
   2,570.04x = 3,857.22 × 1,272.96
4. Step 4: Simplify right side
   2,570.04x = 4,910,086.77
5. Step 5: Solve for x
   x = 4,910,086.77/2,570.04
6. Step 6: Final answer
   x = 1,910.51