Finding the Fourth Proportional to 2,191.79, 3,024.56 and 1,196.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.79 : 3,024.56 = 1,196.88 : x
2. Step 2: Convert to fraction form
   2,191.79/3,024.56 = 1,196.88/x
3. Step 3: Cross multiply
   2,191.79x = 3,024.56 × 1,196.88
4. Step 4: Simplify right side
   2,191.79x = 3,620,038.37
5. Step 5: Solve for x
   x = 3,620,038.37/2,191.79
6. Step 6: Final answer
   x = 1,651.63