Finding the Fourth Proportional to 2,191.10, 3,023.70 and 1,196.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.10 : 3,023.70 = 1,196.38 : x
2. Step 2: Convert to fraction form
   2,191.10/3,023.70 = 1,196.38/x
3. Step 3: Cross multiply
   2,191.10x = 3,023.70 × 1,196.38
4. Step 4: Simplify right side
   2,191.10x = 3,617,494.21
5. Step 5: Solve for x
   x = 3,617,494.21/2,191.10
6. Step 6: Final answer
   x = 1,650.99