Finding the Fourth Proportional to 1,673.27, 2,499.72 and 1,083.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673.27 : 2,499.72 = 1,083.46 : x
2. Step 2: Convert to fraction form
   1,673.27/2,499.72 = 1,083.46/x
3. Step 3: Cross multiply
   1,673.27x = 2,499.72 × 1,083.46
4. Step 4: Simplify right side
   1,673.27x = 2,708,346.63
5. Step 5: Solve for x
   x = 2,708,346.63/1,673.27
6. Step 6: Final answer
   x = 1,618.60