Finding the Fourth Proportional to 2,196.08, 3,030.60 and 1,201.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.08 : 3,030.60 = 1,201.36 : x
2. Step 2: Convert to fraction form
   2,196.08/3,030.60 = 1,201.36/x
3. Step 3: Cross multiply
   2,196.08x = 3,030.60 × 1,201.36
4. Step 4: Simplify right side
   2,196.08x = 3,640,841.62
5. Step 5: Solve for x
   x = 3,640,841.62/2,196.08
6. Step 6: Final answer
   x = 1,657.88