Finding the Fourth Proportional to 2,611.17, 3,914.33 and 967.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611.17 : 3,914.33 = 967.28 : x
2. Step 2: Convert to fraction form
   2,611.17/3,914.33 = 967.28/x
3. Step 3: Cross multiply
   2,611.17x = 3,914.33 × 967.28
4. Step 4: Simplify right side
   2,611.17x = 3,786,228.71
5. Step 5: Solve for x
   x = 3,786,228.71/2,611.17
6. Step 6: Final answer
   x = 1,450.01