Finding the Fourth Proportional to 2,591.82, 3,570.60 and 2,276.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591.82 : 3,570.60 = 2,276.55 : x
2. Step 2: Convert to fraction form
   2,591.82/3,570.60 = 2,276.55/x
3. Step 3: Cross multiply
   2,591.82x = 3,570.60 × 2,276.55
4. Step 4: Simplify right side
   2,591.82x = 8,128,649.43
5. Step 5: Solve for x
   x = 8,128,649.43/2,591.82
6. Step 6: Final answer
   x = 3,136.27