Finding the Fourth Proportional to 2,190.93, 3,023.60 and 1,196.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,190.93 : 3,023.60 = 1,196.18 : x
2. Step 2: Convert to fraction form
   2,190.93/3,023.60 = 1,196.18/x
3. Step 3: Cross multiply
   2,190.93x = 3,023.60 × 1,196.18
4. Step 4: Simplify right side
   2,190.93x = 3,616,748.75
5. Step 5: Solve for x
   x = 3,616,748.75/2,190.93
6. Step 6: Final answer
   x = 1,650.78