Finding the Fourth Proportional to 2,196.22, 3,030.85 and 1,201.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.22 : 3,030.85 = 1,201.50 : x
2. Step 2: Convert to fraction form
   2,196.22/3,030.85 = 1,201.50/x
3. Step 3: Cross multiply
   2,196.22x = 3,030.85 × 1,201.50
4. Step 4: Simplify right side
   2,196.22x = 3,641,555.63
5. Step 5: Solve for x
   x = 3,641,555.63/2,196.22
6. Step 6: Final answer
   x = 1,658.10