Finding the Fourth Proportional to 2,427.78, 3,349.89 and 1,433.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,427.78 : 3,349.89 = 1,433.37 : x
2. Step 2: Convert to fraction form
   2,427.78/3,349.89 = 1,433.37/x
3. Step 3: Cross multiply
   2,427.78x = 3,349.89 × 1,433.37
4. Step 4: Simplify right side
   2,427.78x = 4,801,631.83
5. Step 5: Solve for x
   x = 4,801,631.83/2,427.78
6. Step 6: Final answer
   x = 1,977.79