Finding the Fourth Proportional to 1,949.78, 2,910.78 and 1,881.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,949.78 : 2,910.78 = 1,881.44 : x
2. Step 2: Convert to fraction form
   1,949.78/2,910.78 = 1,881.44/x
3. Step 3: Cross multiply
   1,949.78x = 2,910.78 × 1,881.44
4. Step 4: Simplify right side
   1,949.78x = 5,476,443.37
5. Step 5: Solve for x
   x = 5,476,443.37/1,949.78
6. Step 6: Final answer
   x = 2,808.76