Finding the Fourth Proportional to 2,196.41, 3,031.04 and 1,201.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.41 : 3,031.04 = 1,201.68 : x
2. Step 2: Convert to fraction form
   2,196.41/3,031.04 = 1,201.68/x
3. Step 3: Cross multiply
   2,196.41x = 3,031.04 × 1,201.68
4. Step 4: Simplify right side
   2,196.41x = 3,642,334.14
5. Step 5: Solve for x
   x = 3,642,334.14/2,196.41
6. Step 6: Final answer
   x = 1,658.32