Finding the Fourth Proportional to 1,435.30, 1,982.66 and 1,124.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.30 : 1,982.66 = 1,124.49 : x
2. Step 2: Convert to fraction form
   1,435.30/1,982.66 = 1,124.49/x
3. Step 3: Cross multiply
   1,435.30x = 1,982.66 × 1,124.49
4. Step 4: Simplify right side
   1,435.30x = 2,229,491.59
5. Step 5: Solve for x
   x = 2,229,491.59/1,435.30
6. Step 6: Final answer
   x = 1,553.33