Finding the Fourth Proportional to 2,280.66, 3,427.40 and 1,356.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,280.66 : 3,427.40 = 1,356.38 : x
2. Step 2: Convert to fraction form
   2,280.66/3,427.40 = 1,356.38/x
3. Step 3: Cross multiply
   2,280.66x = 3,427.40 × 1,356.38
4. Step 4: Simplify right side
   2,280.66x = 4,648,850.03
5. Step 5: Solve for x
   x = 4,648,850.03/2,280.66
6. Step 6: Final answer
   x = 2,038.38