Finding the Fourth Proportional to 2,057.52, 2,839.48 and 1,173.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.52 : 2,839.48 = 1,173.31 : x
2. Step 2: Convert to fraction form
   2,057.52/2,839.48 = 1,173.31/x
3. Step 3: Cross multiply
   2,057.52x = 2,839.48 × 1,173.31
4. Step 4: Simplify right side
   2,057.52x = 3,331,580.25
5. Step 5: Solve for x
   x = 3,331,580.25/2,057.52
6. Step 6: Final answer
   x = 1,619.22