Finding the Fourth Proportional to 2,401.16, 3,601.43 and 646.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.16 : 3,601.43 = 646.29 : x
2. Step 2: Convert to fraction form
   2,401.16/3,601.43 = 646.29/x
3. Step 3: Cross multiply
   2,401.16x = 3,601.43 × 646.29
4. Step 4: Simplify right side
   2,401.16x = 2,327,564.96
5. Step 5: Solve for x
   x = 2,327,564.96/2,401.16
6. Step 6: Final answer
   x = 969.35