Finding the Fourth Proportional to 2,059.01, 3,081.67 and 1,646.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.01 : 3,081.67 = 1,646.21 : x
2. Step 2: Convert to fraction form
   2,059.01/3,081.67 = 1,646.21/x
3. Step 3: Cross multiply
   2,059.01x = 3,081.67 × 1,646.21
4. Step 4: Simplify right side
   2,059.01x = 5,073,075.97
5. Step 5: Solve for x
   x = 5,073,075.97/2,059.01
6. Step 6: Final answer
   x = 2,463.84