Finding the Fourth Proportional to 2,729.06, 4,086.23 and 1,427.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,729.06 : 4,086.23 = 1,427.78 : x
2. Step 2: Convert to fraction form
   2,729.06/4,086.23 = 1,427.78/x
3. Step 3: Cross multiply
   2,729.06x = 4,086.23 × 1,427.78
4. Step 4: Simplify right side
   2,729.06x = 5,834,237.47
5. Step 5: Solve for x
   x = 5,834,237.47/2,729.06
6. Step 6: Final answer
   x = 2,137.82