Finding the Fourth Proportional to 2,958.78, 4,437.27 and 1,227

Step by Step Solution

1. Step 1: Write the proportion equation
   2,958.78 : 4,437.27 = 1,227 : x
2. Step 2: Convert to fraction form
   2,958.78/4,437.27 = 1,227/x
3. Step 3: Cross multiply
   2,958.78x = 4,437.27 × 1,227
4. Step 4: Simplify right side
   2,958.78x = 5,444,530.29
5. Step 5: Solve for x
   x = 5,444,530.29/2,958.78
6. Step 6: Final answer
   x = 1,840.13