Finding the Fourth Proportional to 2,111.13, 3,164.67 and 794.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.13 : 3,164.67 = 794.55 : x
2. Step 2: Convert to fraction form
   2,111.13/3,164.67 = 794.55/x
3. Step 3: Cross multiply
   2,111.13x = 3,164.67 × 794.55
4. Step 4: Simplify right side
   2,111.13x = 2,514,488.55
5. Step 5: Solve for x
   x = 2,514,488.55/2,111.13
6. Step 6: Final answer
   x = 1,191.06