Finding the Fourth Proportional to 2,094.42, 3,142.44 and 1,227.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,094.42 : 3,142.44 = 1,227.72 : x
2. Step 2: Convert to fraction form
   2,094.42/3,142.44 = 1,227.72/x
3. Step 3: Cross multiply
   2,094.42x = 3,142.44 × 1,227.72
4. Step 4: Simplify right side
   2,094.42x = 3,858,036.44
5. Step 5: Solve for x
   x = 3,858,036.44/2,094.42
6. Step 6: Final answer
   x = 1,842.05