Finding the Fourth Proportional to 2,057.01, 3,069.70 and 1,838.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.01 : 3,069.70 = 1,838.31 : x
2. Step 2: Convert to fraction form
   2,057.01/3,069.70 = 1,838.31/x
3. Step 3: Cross multiply
   2,057.01x = 3,069.70 × 1,838.31
4. Step 4: Simplify right side
   2,057.01x = 5,643,055.61
5. Step 5: Solve for x
   x = 5,643,055.61/2,057.01
6. Step 6: Final answer
   x = 2,743.33