Finding the Fourth Proportional to 2,897.10, 3,997.98 and 1,570.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,897.10 : 3,997.98 = 1,570.80 : x
2. Step 2: Convert to fraction form
   2,897.10/3,997.98 = 1,570.80/x
3. Step 3: Cross multiply
   2,897.10x = 3,997.98 × 1,570.80
4. Step 4: Simplify right side
   2,897.10x = 6,280,026.98
5. Step 5: Solve for x
   x = 6,280,026.98/2,897.10
6. Step 6: Final answer
   x = 2,167.69