Finding the Fourth Proportional to 2,196.26, 3,030.72 and 1,201.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.26 : 3,030.72 = 1,201.34 : x
2. Step 2: Convert to fraction form
   2,196.26/3,030.72 = 1,201.34/x
3. Step 3: Cross multiply
   2,196.26x = 3,030.72 × 1,201.34
4. Step 4: Simplify right side
   2,196.26x = 3,640,925.16
5. Step 5: Solve for x
   x = 3,640,925.16/2,196.26
6. Step 6: Final answer
   x = 1,657.78