Finding the Fourth Proportional to 2,994.16, 4,491.37 and 885.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,994.16 : 4,491.37 = 885.79 : x
2. Step 2: Convert to fraction form
   2,994.16/4,491.37 = 885.79/x
3. Step 3: Cross multiply
   2,994.16x = 4,491.37 × 885.79
4. Step 4: Simplify right side
   2,994.16x = 3,978,410.63
5. Step 5: Solve for x
   x = 3,978,410.63/2,994.16
6. Step 6: Final answer
   x = 1,328.72