Finding the Fourth Proportional to 2,066.73, 2,852.27 and 1,280.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.73 : 2,852.27 = 1,280.63 : x
2. Step 2: Convert to fraction form
   2,066.73/2,852.27 = 1,280.63/x
3. Step 3: Cross multiply
   2,066.73x = 2,852.27 × 1,280.63
4. Step 4: Simplify right side
   2,066.73x = 3,652,681.87
5. Step 5: Solve for x
   x = 3,652,681.87/2,066.73
6. Step 6: Final answer
   x = 1,767.37