Finding the Fourth Proportional to 2,057.73, 2,840.04 and 1,173.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.73 : 2,840.04 = 1,173.62 : x
2. Step 2: Convert to fraction form
   2,057.73/2,840.04 = 1,173.62/x
3. Step 3: Cross multiply
   2,057.73x = 2,840.04 × 1,173.62
4. Step 4: Simplify right side
   2,057.73x = 3,333,113.54
5. Step 5: Solve for x
   x = 3,333,113.54/2,057.73
6. Step 6: Final answer
   x = 1,619.80