Finding the Fourth Proportional to 2,451.02, 3,678.96 and 1,994.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,451.02 : 3,678.96 = 1,994.18 : x
2. Step 2: Convert to fraction form
   2,451.02/3,678.96 = 1,994.18/x
3. Step 3: Cross multiply
   2,451.02x = 3,678.96 × 1,994.18
4. Step 4: Simplify right side
   2,451.02x = 7,336,508.45
5. Step 5: Solve for x
   x = 7,336,508.45/2,451.02
6. Step 6: Final answer
   x = 2,993.25