Finding the Fourth Proportional to 2,057.63, 2,839.50 and 1,173.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.63 : 2,839.50 = 1,173.41 : x
2. Step 2: Convert to fraction form
   2,057.63/2,839.50 = 1,173.41/x
3. Step 3: Cross multiply
   2,057.63x = 2,839.50 × 1,173.41
4. Step 4: Simplify right side
   2,057.63x = 3,331,883.50
5. Step 5: Solve for x
   x = 3,331,883.50/2,057.63
6. Step 6: Final answer
   x = 1,619.29