Finding the Fourth Proportional to 2,196.33, 3,030.87 and 1,201.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.33 : 3,030.87 = 1,201.56 : x
2. Step 2: Convert to fraction form
   2,196.33/3,030.87 = 1,201.56/x
3. Step 3: Cross multiply
   2,196.33x = 3,030.87 × 1,201.56
4. Step 4: Simplify right side
   2,196.33x = 3,641,772.16
5. Step 5: Solve for x
   x = 3,641,772.16/2,196.33
6. Step 6: Final answer
   x = 1,658.12