Finding the Fourth Proportional to 2,057.92, 3,090.52 and 1,695.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.92 : 3,090.52 = 1,695.30 : x
2. Step 2: Convert to fraction form
   2,057.92/3,090.52 = 1,695.30/x
3. Step 3: Cross multiply
   2,057.92x = 3,090.52 × 1,695.30
4. Step 4: Simplify right side
   2,057.92x = 5,239,358.56
5. Step 5: Solve for x
   x = 5,239,358.56/2,057.92
6. Step 6: Final answer
   x = 2,545.95