Finding the Fourth Proportional to 2,196.56, 3,291.60 and 962.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.56 : 3,291.60 = 962.84 : x
2. Step 2: Convert to fraction form
   2,196.56/3,291.60 = 962.84/x
3. Step 3: Cross multiply
   2,196.56x = 3,291.60 × 962.84
4. Step 4: Simplify right side
   2,196.56x = 3,169,284.14
5. Step 5: Solve for x
   x = 3,169,284.14/2,196.56
6. Step 6: Final answer
   x = 1,442.84