Finding the Fourth Proportional to 2,892.93, 3,991.41 and 1,949.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,892.93 : 3,991.41 = 1,949.79 : x
2. Step 2: Convert to fraction form
   2,892.93/3,991.41 = 1,949.79/x
3. Step 3: Cross multiply
   2,892.93x = 3,991.41 × 1,949.79
4. Step 4: Simplify right side
   2,892.93x = 7,782,411.30
5. Step 5: Solve for x
   x = 7,782,411.30/2,892.93
6. Step 6: Final answer
   x = 2,690.15