Finding the Fourth Proportional to 2,406.51, 3,320.04 and 1,621.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.51 : 3,320.04 = 1,621.08 : x
2. Step 2: Convert to fraction form
   2,406.51/3,320.04 = 1,621.08/x
3. Step 3: Cross multiply
   2,406.51x = 3,320.04 × 1,621.08
4. Step 4: Simplify right side
   2,406.51x = 5,382,050.44
5. Step 5: Solve for x
   x = 5,382,050.44/2,406.51
6. Step 6: Final answer
   x = 2,236.45