Finding the Fourth Proportional to 1,892.73, 2,613.96 and 1,686.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.73 : 2,613.96 = 1,686.59 : x
2. Step 2: Convert to fraction form
   1,892.73/2,613.96 = 1,686.59/x
3. Step 3: Cross multiply
   1,892.73x = 2,613.96 × 1,686.59
4. Step 4: Simplify right side
   1,892.73x = 4,408,665.73
5. Step 5: Solve for x
   x = 4,408,665.73/1,892.73
6. Step 6: Final answer
   x = 2,329.26