Finding the Fourth Proportional to 2,191.19, 3,023.90 and 1,196.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.19 : 3,023.90 = 1,196.56 : x
2. Step 2: Convert to fraction form
   2,191.19/3,023.90 = 1,196.56/x
3. Step 3: Cross multiply
   2,191.19x = 3,023.90 × 1,196.56
4. Step 4: Simplify right side
   2,191.19x = 3,618,256.68
5. Step 5: Solve for x
   x = 3,618,256.68/2,191.19
6. Step 6: Final answer
   x = 1,651.28