Finding the Fourth Proportional to 2,190.88, 3,023.39 and 1,196.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,190.88 : 3,023.39 = 1,196.15 : x
2. Step 2: Convert to fraction form
   2,190.88/3,023.39 = 1,196.15/x
3. Step 3: Cross multiply
   2,190.88x = 3,023.39 × 1,196.15
4. Step 4: Simplify right side
   2,190.88x = 3,616,412.83
5. Step 5: Solve for x
   x = 3,616,412.83/2,190.88
6. Step 6: Final answer
   x = 1,650.67