Finding the Fourth Proportional to 2,398.84, 3,598.16 and 667.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,398.84 : 3,598.16 = 667.42 : x
2. Step 2: Convert to fraction form
   2,398.84/3,598.16 = 667.42/x
3. Step 3: Cross multiply
   2,398.84x = 3,598.16 × 667.42
4. Step 4: Simplify right side
   2,398.84x = 2,401,483.95
5. Step 5: Solve for x
   x = 2,401,483.95/2,398.84
6. Step 6: Final answer
   x = 1,001.10