Finding the Fourth Proportional to 2,894.28, 3,994.18 and 1,774.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,894.28 : 3,994.18 = 1,774.56 : x
2. Step 2: Convert to fraction form
   2,894.28/3,994.18 = 1,774.56/x
3. Step 3: Cross multiply
   2,894.28x = 3,994.18 × 1,774.56
4. Step 4: Simplify right side
   2,894.28x = 7,087,913.17
5. Step 5: Solve for x
   x = 7,087,913.17/2,894.28
6. Step 6: Final answer
   x = 2,448.94