Finding the Fourth Proportional to 2,206.42, 3,301.38 and 2,181.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,206.42 : 3,301.38 = 2,181.82 : x
2. Step 2: Convert to fraction form
   2,206.42/3,301.38 = 2,181.82/x
3. Step 3: Cross multiply
   2,206.42x = 3,301.38 × 2,181.82
4. Step 4: Simplify right side
   2,206.42x = 7,203,016.91
5. Step 5: Solve for x
   x = 7,203,016.91/2,206.42
6. Step 6: Final answer
   x = 3,264.57