Finding the Fourth Proportional to 2,190.79, 3,023.32 and 1,196.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,190.79 : 3,023.32 = 1,196.08 : x
2. Step 2: Convert to fraction form
   2,190.79/3,023.32 = 1,196.08/x
3. Step 3: Cross multiply
   2,190.79x = 3,023.32 × 1,196.08
4. Step 4: Simplify right side
   2,190.79x = 3,616,126.61
5. Step 5: Solve for x
   x = 3,616,126.61/2,190.79
6. Step 6: Final answer
   x = 1,650.60