Finding the Fourth Proportional to 2,057.76, 3,086.87 and 597.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.76 : 3,086.87 = 597.15 : x
2. Step 2: Convert to fraction form
   2,057.76/3,086.87 = 597.15/x
3. Step 3: Cross multiply
   2,057.76x = 3,086.87 × 597.15
4. Step 4: Simplify right side
   2,057.76x = 1,843,321.43
5. Step 5: Solve for x
   x = 1,843,321.43/2,057.76
6. Step 6: Final answer
   x = 895.79