Finding the Fourth Proportional to 2,196.37, 3,030.94 and 1,201.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.37 : 3,030.94 = 1,201.65 : x
2. Step 2: Convert to fraction form
   2,196.37/3,030.94 = 1,201.65/x
3. Step 3: Cross multiply
   2,196.37x = 3,030.94 × 1,201.65
4. Step 4: Simplify right side
   2,196.37x = 3,642,129.05
5. Step 5: Solve for x
   x = 3,642,129.05/2,196.37
6. Step 6: Final answer
   x = 1,658.25