Finding the Fourth Proportional to 2,196.20, 3,030.83 and 1,201.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.20 : 3,030.83 = 1,201.51 : x
2. Step 2: Convert to fraction form
   2,196.20/3,030.83 = 1,201.51/x
3. Step 3: Cross multiply
   2,196.20x = 3,030.83 × 1,201.51
4. Step 4: Simplify right side
   2,196.20x = 3,641,551.39
5. Step 5: Solve for x
   x = 3,641,551.39/2,196.20
6. Step 6: Final answer
   x = 1,658.11