Finding the Fourth Proportional to 1,485.94, 2,050.60 and 962.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,485.94 : 2,050.60 = 962.88 : x
2. Step 2: Convert to fraction form
   1,485.94/2,050.60 = 962.88/x
3. Step 3: Cross multiply
   1,485.94x = 2,050.60 × 962.88
4. Step 4: Simplify right side
   1,485.94x = 1,974,481.73
5. Step 5: Solve for x
   x = 1,974,481.73/1,485.94
6. Step 6: Final answer
   x = 1,328.78