Finding the Fourth Proportional to 2,227.96, 3,075.01 and 1,284.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.96 : 3,075.01 = 1,284.38 : x
2. Step 2: Convert to fraction form
   2,227.96/3,075.01 = 1,284.38/x
3. Step 3: Cross multiply
   2,227.96x = 3,075.01 × 1,284.38
4. Step 4: Simplify right side
   2,227.96x = 3,949,481.34
5. Step 5: Solve for x
   x = 3,949,481.34/2,227.96
6. Step 6: Final answer
   x = 1,772.69