Finding the Fourth Proportional to 2,398.66, 3,598.29 and 667.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,398.66 : 3,598.29 = 667.28 : x
2. Step 2: Convert to fraction form
   2,398.66/3,598.29 = 667.28/x
3. Step 3: Cross multiply
   2,398.66x = 3,598.29 × 667.28
4. Step 4: Simplify right side
   2,398.66x = 2,401,066.95
5. Step 5: Solve for x
   x = 2,401,066.95/2,398.66
6. Step 6: Final answer
   x = 1,001.00