Finding the Fourth Proportional to 2,057.95, 2,839.96 and 1,173.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.95 : 2,839.96 = 1,173.73 : x
2. Step 2: Convert to fraction form
   2,057.95/2,839.96 = 1,173.73/x
3. Step 3: Cross multiply
   2,057.95x = 2,839.96 × 1,173.73
4. Step 4: Simplify right side
   2,057.95x = 3,333,346.25
5. Step 5: Solve for x
   x = 3,333,346.25/2,057.95
6. Step 6: Final answer
   x = 1,619.74