Finding the Fourth Proportional to 2,873.83, 4,309.38 and 1,313.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,873.83 : 4,309.38 = 1,313.37 : x
2. Step 2: Convert to fraction form
   2,873.83/4,309.38 = 1,313.37/x
3. Step 3: Cross multiply
   2,873.83x = 4,309.38 × 1,313.37
4. Step 4: Simplify right side
   2,873.83x = 5,659,810.41
5. Step 5: Solve for x
   x = 5,659,810.41/2,873.83
6. Step 6: Final answer
   x = 1,969.43