Finding the Fourth Proportional to 2,190.95, 3,023.40 and 1,196.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,190.95 : 3,023.40 = 1,196.22 : x
2. Step 2: Convert to fraction form
   2,190.95/3,023.40 = 1,196.22/x
3. Step 3: Cross multiply
   2,190.95x = 3,023.40 × 1,196.22
4. Step 4: Simplify right side
   2,190.95x = 3,616,651.55
5. Step 5: Solve for x
   x = 3,616,651.55/2,190.95
6. Step 6: Final answer
   x = 1,650.72