Finding the Fourth Proportional to 2,057.54, 2,839.02 and 1,358.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.54 : 2,839.02 = 1,358.50 : x
2. Step 2: Convert to fraction form
   2,057.54/2,839.02 = 1,358.50/x
3. Step 3: Cross multiply
   2,057.54x = 2,839.02 × 1,358.50
4. Step 4: Simplify right side
   2,057.54x = 3,856,808.67
5. Step 5: Solve for x
   x = 3,856,808.67/2,057.54
6. Step 6: Final answer
   x = 1,874.48