Finding the Fourth Proportional to 2,057.99, 2,840.01 and 1,173.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.99 : 2,840.01 = 1,173.74 : x
2. Step 2: Convert to fraction form
   2,057.99/2,840.01 = 1,173.74/x
3. Step 3: Cross multiply
   2,057.99x = 2,840.01 × 1,173.74
4. Step 4: Simplify right side
   2,057.99x = 3,333,433.34
5. Step 5: Solve for x
   x = 3,333,433.34/2,057.99
6. Step 6: Final answer
   x = 1,619.75