Finding the Fourth Proportional to 1,672.83, 2,499.07 and 1,083.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,672.83 : 2,499.07 = 1,083.02 : x
2. Step 2: Convert to fraction form
   1,672.83/2,499.07 = 1,083.02/x
3. Step 3: Cross multiply
   1,672.83x = 2,499.07 × 1,083.02
4. Step 4: Simplify right side
   1,672.83x = 2,706,546.33
5. Step 5: Solve for x
   x = 2,706,546.33/1,672.83
6. Step 6: Final answer
   x = 1,617.94