Finding the Fourth Proportional to 2,809.32, 4,216.57 and 1,423.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,809.32 : 4,216.57 = 1,423.62 : x
2. Step 2: Convert to fraction form
   2,809.32/4,216.57 = 1,423.62/x
3. Step 3: Cross multiply
   2,809.32x = 4,216.57 × 1,423.62
4. Step 4: Simplify right side
   2,809.32x = 6,002,786.27
5. Step 5: Solve for x
   x = 6,002,786.27/2,809.32
6. Step 6: Final answer
   x = 2,136.74