Finding the Fourth Proportional to 2,940.14, 4,412.18 and 1,091.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,940.14 : 4,412.18 = 1,091.27 : x
2. Step 2: Convert to fraction form
   2,940.14/4,412.18 = 1,091.27/x
3. Step 3: Cross multiply
   2,940.14x = 4,412.18 × 1,091.27
4. Step 4: Simplify right side
   2,940.14x = 4,814,852.15
5. Step 5: Solve for x
   x = 4,814,852.15/2,940.14
6. Step 6: Final answer
   x = 1,637.63