Finding the Fourth Proportional to 2,206.01, 3,040.89 and 1,645.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,206.01 : 3,040.89 = 1,645.63 : x
2. Step 2: Convert to fraction form
   2,206.01/3,040.89 = 1,645.63/x
3. Step 3: Cross multiply
   2,206.01x = 3,040.89 × 1,645.63
4. Step 4: Simplify right side
   2,206.01x = 5,004,179.81
5. Step 5: Solve for x
   x = 5,004,179.81/2,206.01
6. Step 6: Final answer
   x = 2,268.43