Finding the Fourth Proportional to 1,404.30, 1,936.26 and 962.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.30 : 1,936.26 = 962.58 : x
2. Step 2: Convert to fraction form
   1,404.30/1,936.26 = 962.58/x
3. Step 3: Cross multiply
   1,404.30x = 1,936.26 × 962.58
4. Step 4: Simplify right side
   1,404.30x = 1,863,805.15
5. Step 5: Solve for x
   x = 1,863,805.15/1,404.30
6. Step 6: Final answer
   x = 1,327.21