Finding the Fourth Proportional to 2,179.78, 3,008.22 and 1,283.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179.78 : 3,008.22 = 1,283.82 : x
2. Step 2: Convert to fraction form
   2,179.78/3,008.22 = 1,283.82/x
3. Step 3: Cross multiply
   2,179.78x = 3,008.22 × 1,283.82
4. Step 4: Simplify right side
   2,179.78x = 3,862,013.00
5. Step 5: Solve for x
   x = 3,862,013.00/2,179.78
6. Step 6: Final answer
   x = 1,771.74