Finding the Fourth Proportional to 2,236.01, 3,360.09 and 1,196.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,236.01 : 3,360.09 = 1,196.78 : x
2. Step 2: Convert to fraction form
   2,236.01/3,360.09 = 1,196.78/x
3. Step 3: Cross multiply
   2,236.01x = 3,360.09 × 1,196.78
4. Step 4: Simplify right side
   2,236.01x = 4,021,288.51
5. Step 5: Solve for x
   x = 4,021,288.51/2,236.01
6. Step 6: Final answer
   x = 1,798.42