Finding the Fourth Proportional to 2,057.82, 3,071.52 and 1,913.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.82 : 3,071.52 = 1,913.34 : x
2. Step 2: Convert to fraction form
   2,057.82/3,071.52 = 1,913.34/x
3. Step 3: Cross multiply
   2,057.82x = 3,071.52 × 1,913.34
4. Step 4: Simplify right side
   2,057.82x = 5,876,862.08
5. Step 5: Solve for x
   x = 5,876,862.08/2,057.82
6. Step 6: Final answer
   x = 2,855.87