Finding the Fourth Proportional to 1,336.35, 1,995.42 and 1,196.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,336.35 : 1,995.42 = 1,196.62 : x
2. Step 2: Convert to fraction form
   1,336.35/1,995.42 = 1,196.62/x
3. Step 3: Cross multiply
   1,336.35x = 1,995.42 × 1,196.62
4. Step 4: Simplify right side
   1,336.35x = 2,387,753.50
5. Step 5: Solve for x
   x = 2,387,753.50/1,336.35
6. Step 6: Final answer
   x = 1,786.77