Finding the Fourth Proportional to 2,057.50, 2,839.35 and 1,126

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.50 : 2,839.35 = 1,126 : x
2. Step 2: Convert to fraction form
   2,057.50/2,839.35 = 1,126/x
3. Step 3: Cross multiply
   2,057.50x = 2,839.35 × 1,126
4. Step 4: Simplify right side
   2,057.50x = 3,197,108.10
5. Step 5: Solve for x
   x = 3,197,108.10/2,057.50
6. Step 6: Final answer
   x = 1,553.88