Finding the Fourth Proportional to 2,994.93, 4,490.71 and 1,238.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,994.93 : 4,490.71 = 1,238.94 : x
2. Step 2: Convert to fraction form
   2,994.93/4,490.71 = 1,238.94/x
3. Step 3: Cross multiply
   2,994.93x = 4,490.71 × 1,238.94
4. Step 4: Simplify right side
   2,994.93x = 5,563,717.15
5. Step 5: Solve for x
   x = 5,563,717.15/2,994.93
6. Step 6: Final answer
   x = 1,857.71