Finding the Fourth Proportional to 2,681.73, 3,702.51 and 2,185.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,681.73 : 3,702.51 = 2,185.55 : x
2. Step 2: Convert to fraction form
   2,681.73/3,702.51 = 2,185.55/x
3. Step 3: Cross multiply
   2,681.73x = 3,702.51 × 2,185.55
4. Step 4: Simplify right side
   2,681.73x = 8,092,016.10
5. Step 5: Solve for x
   x = 8,092,016.10/2,681.73
6. Step 6: Final answer
   x = 3,017.46