Finding the Fourth Proportional to 2,190.86, 3,023.37 and 1,196.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,190.86 : 3,023.37 = 1,196.13 : x
2. Step 2: Convert to fraction form
   2,190.86/3,023.37 = 1,196.13/x
3. Step 3: Cross multiply
   2,190.86x = 3,023.37 × 1,196.13
4. Step 4: Simplify right side
   2,190.86x = 3,616,351.53
5. Step 5: Solve for x
   x = 3,616,351.53/2,190.86
6. Step 6: Final answer
   x = 1,650.66