Finding the Fourth Proportional to 2,266.95, 3,128.17 and 1,382.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,266.95 : 3,128.17 = 1,382.57 : x
2. Step 2: Convert to fraction form
   2,266.95/3,128.17 = 1,382.57/x
3. Step 3: Cross multiply
   2,266.95x = 3,128.17 × 1,382.57
4. Step 4: Simplify right side
   2,266.95x = 4,324,914.00
5. Step 5: Solve for x
   x = 4,324,914.00/2,266.95
6. Step 6: Final answer
   x = 1,907.81