Finding the Fourth Proportional to 2,939.04, 4,410.84 and 1,091.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,939.04 : 4,410.84 = 1,091.49 : x
2. Step 2: Convert to fraction form
   2,939.04/4,410.84 = 1,091.49/x
3. Step 3: Cross multiply
   2,939.04x = 4,410.84 × 1,091.49
4. Step 4: Simplify right side
   2,939.04x = 4,814,387.75
5. Step 5: Solve for x
   x = 4,814,387.75/2,939.04
6. Step 6: Final answer
   x = 1,638.08