Finding the Fourth Proportional to 2,896.89, 3,997.71 and 1,570.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,896.89 : 3,997.71 = 1,570.61 : x
2. Step 2: Convert to fraction form
   2,896.89/3,997.71 = 1,570.61/x
3. Step 3: Cross multiply
   2,896.89x = 3,997.71 × 1,570.61
4. Step 4: Simplify right side
   2,896.89x = 6,278,843.30
5. Step 5: Solve for x
   x = 6,278,843.30/2,896.89
6. Step 6: Final answer
   x = 2,167.44