Finding the Fourth Proportional to 2,505.43, 3,759.56 and 946.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505.43 : 3,759.56 = 946.49 : x
2. Step 2: Convert to fraction form
   2,505.43/3,759.56 = 946.49/x
3. Step 3: Cross multiply
   2,505.43x = 3,759.56 × 946.49
4. Step 4: Simplify right side
   2,505.43x = 3,558,371.29
5. Step 5: Solve for x
   x = 3,558,371.29/2,505.43
6. Step 6: Final answer
   x = 1,420.26