Finding the Fourth Proportional to 2,191.19, 3,023.88 and 1,196.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.19 : 3,023.88 = 1,196.51 : x
2. Step 2: Convert to fraction form
   2,191.19/3,023.88 = 1,196.51/x
3. Step 3: Cross multiply
   2,191.19x = 3,023.88 × 1,196.51
4. Step 4: Simplify right side
   2,191.19x = 3,618,087.54
5. Step 5: Solve for x
   x = 3,618,087.54/2,191.19
6. Step 6: Final answer
   x = 1,651.20