Finding the Fourth Proportional to 2,794.21, 4,191.96 and 1,404.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,794.21 : 4,191.96 = 1,404.07 : x
2. Step 2: Convert to fraction form
   2,794.21/4,191.96 = 1,404.07/x
3. Step 3: Cross multiply
   2,794.21x = 4,191.96 × 1,404.07
4. Step 4: Simplify right side
   2,794.21x = 5,885,805.28
5. Step 5: Solve for x
   x = 5,885,805.28/2,794.21
6. Step 6: Final answer
   x = 2,106.43