Finding the Fourth Proportional to 2,196.54, 3,031.06 and 1,201.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.54 : 3,031.06 = 1,201.84 : x
2. Step 2: Convert to fraction form
   2,196.54/3,031.06 = 1,201.84/x
3. Step 3: Cross multiply
   2,196.54x = 3,031.06 × 1,201.84
4. Step 4: Simplify right side
   2,196.54x = 3,642,849.15
5. Step 5: Solve for x
   x = 3,642,849.15/2,196.54
6. Step 6: Final answer
   x = 1,658.45