Finding the Fourth Proportional to 2,411.43, 3,617.41 and 767.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,411.43 : 3,617.41 = 767.40 : x
2. Step 2: Convert to fraction form
   2,411.43/3,617.41 = 767.40/x
3. Step 3: Cross multiply
   2,411.43x = 3,617.41 × 767.40
4. Step 4: Simplify right side
   2,411.43x = 2,776,000.43
5. Step 5: Solve for x
   x = 2,776,000.43/2,411.43
6. Step 6: Final answer
   x = 1,151.18