Finding the Fourth Proportional to 2,191.54, 3,024.18 and 1,196.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.54 : 3,024.18 = 1,196.78 : x
2. Step 2: Convert to fraction form
   2,191.54/3,024.18 = 1,196.78/x
3. Step 3: Cross multiply
   2,191.54x = 3,024.18 × 1,196.78
4. Step 4: Simplify right side
   2,191.54x = 3,619,278.14
5. Step 5: Solve for x
   x = 3,619,278.14/2,191.54
6. Step 6: Final answer
   x = 1,651.48