Finding the Fourth Proportional to 1,483.16, 2,227.24 and 1,424.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.16 : 2,227.24 = 1,424.28 : x
2. Step 2: Convert to fraction form
   1,483.16/2,227.24 = 1,424.28/x
3. Step 3: Cross multiply
   1,483.16x = 2,227.24 × 1,424.28
4. Step 4: Simplify right side
   1,483.16x = 3,172,213.39
5. Step 5: Solve for x
   x = 3,172,213.39/1,483.16
6. Step 6: Final answer
   x = 2,138.82