Finding the Fourth Proportional to 1,654.82, 2,282.13 and 1,280.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,654.82 : 2,282.13 = 1,280.60 : x
2. Step 2: Convert to fraction form
   1,654.82/2,282.13 = 1,280.60/x
3. Step 3: Cross multiply
   1,654.82x = 2,282.13 × 1,280.60
4. Step 4: Simplify right side
   1,654.82x = 2,922,484.27
5. Step 5: Solve for x
   x = 2,922,484.27/1,654.82
6. Step 6: Final answer
   x = 1,766.05