Finding the Fourth Proportional to 2,401.93, 3,603.12 and 670.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.93 : 3,603.12 = 670.57 : x
2. Step 2: Convert to fraction form
   2,401.93/3,603.12 = 670.57/x
3. Step 3: Cross multiply
   2,401.93x = 3,603.12 × 670.57
4. Step 4: Simplify right side
   2,401.93x = 2,416,144.18
5. Step 5: Solve for x
   x = 2,416,144.18/2,401.93
6. Step 6: Final answer
   x = 1,005.92