Finding the Fourth Proportional to 2,057.82, 2,842.22 and 1,393.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.82 : 2,842.22 = 1,393.52 : x
2. Step 2: Convert to fraction form
   2,057.82/2,842.22 = 1,393.52/x
3. Step 3: Cross multiply
   2,057.82x = 2,842.22 × 1,393.52
4. Step 4: Simplify right side
   2,057.82x = 3,960,669.24
5. Step 5: Solve for x
   x = 3,960,669.24/2,057.82
6. Step 6: Final answer
   x = 1,924.69