Finding the Fourth Proportional to 2,403.91, 3,607.68 and 1,622.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403.91 : 3,607.68 = 1,622.06 : x
2. Step 2: Convert to fraction form
   2,403.91/3,607.68 = 1,622.06/x
3. Step 3: Cross multiply
   2,403.91x = 3,607.68 × 1,622.06
4. Step 4: Simplify right side
   2,403.91x = 5,851,855.38
5. Step 5: Solve for x
   x = 5,851,855.38/2,403.91
6. Step 6: Final answer
   x = 2,434.31