Finding the Fourth Proportional to 1,940.45, 2,678.42 and 1,241.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,940.45 : 2,678.42 = 1,241.82 : x
2. Step 2: Convert to fraction form
   1,940.45/2,678.42 = 1,241.82/x
3. Step 3: Cross multiply
   1,940.45x = 2,678.42 × 1,241.82
4. Step 4: Simplify right side
   1,940.45x = 3,326,109.32
5. Step 5: Solve for x
   x = 3,326,109.32/1,940.45
6. Step 6: Final answer
   x = 1,714.10