Finding the Fourth Proportional to 2,508.21, 3,459.47 and 1,623.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,508.21 : 3,459.47 = 1,623.33 : x
2. Step 2: Convert to fraction form
   2,508.21/3,459.47 = 1,623.33/x
3. Step 3: Cross multiply
   2,508.21x = 3,459.47 × 1,623.33
4. Step 4: Simplify right side
   2,508.21x = 5,615,853.32
5. Step 5: Solve for x
   x = 5,615,853.32/2,508.21
6. Step 6: Final answer
   x = 2,238.99