Finding the Fourth Proportional to 2,057.24, 3,086.35 and 670.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.24 : 3,086.35 = 670.59 : x
2. Step 2: Convert to fraction form
   2,057.24/3,086.35 = 670.59/x
3. Step 3: Cross multiply
   2,057.24x = 3,086.35 × 670.59
4. Step 4: Simplify right side
   2,057.24x = 2,069,670.25
5. Step 5: Solve for x
   x = 2,069,670.25/2,057.24
6. Step 6: Final answer
   x = 1,006.04