Finding the Fourth Proportional to 2,190.69, 3,023.20 and 1,196.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,190.69 : 3,023.20 = 1,196.06 : x
2. Step 2: Convert to fraction form
   2,190.69/3,023.20 = 1,196.06/x
3. Step 3: Cross multiply
   2,190.69x = 3,023.20 × 1,196.06
4. Step 4: Simplify right side
   2,190.69x = 3,615,916.47
5. Step 5: Solve for x
   x = 3,615,916.47/2,190.69
6. Step 6: Final answer
   x = 1,650.59