Finding the Fourth Proportional to 2,401.98, 3,603.22 and 670.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.98 : 3,603.22 = 670.60 : x
2. Step 2: Convert to fraction form
   2,401.98/3,603.22 = 670.60/x
3. Step 3: Cross multiply
   2,401.98x = 3,603.22 × 670.60
4. Step 4: Simplify right side
   2,401.98x = 2,416,319.33
5. Step 5: Solve for x
   x = 2,416,319.33/2,401.98
6. Step 6: Final answer
   x = 1,005.97