Finding the Fourth Proportional to 2,191.83, 3,300.41 and 1,805.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.83 : 3,300.41 = 1,805.46 : x
2. Step 2: Convert to fraction form
   2,191.83/3,300.41 = 1,805.46/x
3. Step 3: Cross multiply
   2,191.83x = 3,300.41 × 1,805.46
4. Step 4: Simplify right side
   2,191.83x = 5,958,749.21
5. Step 5: Solve for x
   x = 5,958,749.21/2,191.83
6. Step 6: Final answer
   x = 2,718.62