Finding the Fourth Proportional to 4,002.69, 6,003.99 and 1,809.90

Step by Step Solution

1. Step 1: Write the proportion equation
   4,002.69 : 6,003.99 = 1,809.90 : x
2. Step 2: Convert to fraction form
   4,002.69/6,003.99 = 1,809.90/x
3. Step 3: Cross multiply
   4,002.69x = 6,003.99 × 1,809.90
4. Step 4: Simplify right side
   4,002.69x = 10,866,621.50
5. Step 5: Solve for x
   x = 10,866,621.50/4,002.69
6. Step 6: Final answer
   x = 2,714.83