Finding the Fourth Proportional to 2,109.73, 3,164.55 and 1,141.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.73 : 3,164.55 = 1,141.96 : x
2. Step 2: Convert to fraction form
   2,109.73/3,164.55 = 1,141.96/x
3. Step 3: Cross multiply
   2,109.73x = 3,164.55 × 1,141.96
4. Step 4: Simplify right side
   2,109.73x = 3,613,789.52
5. Step 5: Solve for x
   x = 3,613,789.52/2,109.73
6. Step 6: Final answer
   x = 1,712.92