Finding the Fourth Proportional to 1,591.98, 2,196.41 and 962.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591.98 : 2,196.41 = 962.70 : x
2. Step 2: Convert to fraction form
   1,591.98/2,196.41 = 962.70/x
3. Step 3: Cross multiply
   1,591.98x = 2,196.41 × 962.70
4. Step 4: Simplify right side
   1,591.98x = 2,114,479.09
5. Step 5: Solve for x
   x = 2,114,479.09/1,591.98
6. Step 6: Final answer
   x = 1,328.21