Finding the Fourth Proportional to 2,003.24, 3,006.90 and 1,698.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.24 : 3,006.90 = 1,698.20 : x
2. Step 2: Convert to fraction form
   2,003.24/3,006.90 = 1,698.20/x
3. Step 3: Cross multiply
   2,003.24x = 3,006.90 × 1,698.20
4. Step 4: Simplify right side
   2,003.24x = 5,106,317.58
5. Step 5: Solve for x
   x = 5,106,317.58/2,003.24
6. Step 6: Final answer
   x = 2,549.03