Finding the Fourth Proportional to 2,190.78, 3,023.18 and 1,196.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,190.78 : 3,023.18 = 1,196.04 : x
2. Step 2: Convert to fraction form
   2,190.78/3,023.18 = 1,196.04/x
3. Step 3: Cross multiply
   2,190.78x = 3,023.18 × 1,196.04
4. Step 4: Simplify right side
   2,190.78x = 3,615,844.21
5. Step 5: Solve for x
   x = 3,615,844.21/2,190.78
6. Step 6: Final answer
   x = 1,650.48