Finding the Fourth Proportional to 2,002.24, 3,005.40 and 1,697.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.24 : 3,005.40 = 1,697.20 : x
2. Step 2: Convert to fraction form
   2,002.24/3,005.40 = 1,697.20/x
3. Step 3: Cross multiply
   2,002.24x = 3,005.40 × 1,697.20
4. Step 4: Simplify right side
   2,002.24x = 5,100,764.88
5. Step 5: Solve for x
   x = 5,100,764.88/2,002.24
6. Step 6: Final answer
   x = 2,547.53