Finding the Fourth Proportional to 2,191.23, 3,023.96 and 1,196.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.23 : 3,023.96 = 1,196.55 : x
2. Step 2: Convert to fraction form
   2,191.23/3,023.96 = 1,196.55/x
3. Step 3: Cross multiply
   2,191.23x = 3,023.96 × 1,196.55
4. Step 4: Simplify right side
   2,191.23x = 3,618,313.36
5. Step 5: Solve for x
   x = 3,618,313.36/2,191.23
6. Step 6: Final answer
   x = 1,651.27