Finding the Fourth Proportional to 2,196.09, 3,030.48 and 1,201.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.09 : 3,030.48 = 1,201.37 : x
2. Step 2: Convert to fraction form
   2,196.09/3,030.48 = 1,201.37/x
3. Step 3: Cross multiply
   2,196.09x = 3,030.48 × 1,201.37
4. Step 4: Simplify right side
   2,196.09x = 3,640,712.61
5. Step 5: Solve for x
   x = 3,640,712.61/2,196.09
6. Step 6: Final answer
   x = 1,657.82