Finding the Fourth Proportional to 2,057.84, 2,839.89 and 1,126.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.84 : 2,839.89 = 1,126.34 : x
2. Step 2: Convert to fraction form
   2,057.84/2,839.89 = 1,126.34/x
3. Step 3: Cross multiply
   2,057.84x = 2,839.89 × 1,126.34
4. Step 4: Simplify right side
   2,057.84x = 3,198,681.70
5. Step 5: Solve for x
   x = 3,198,681.70/2,057.84
6. Step 6: Final answer
   x = 1,554.39