Finding the Fourth Proportional to 2,196, 3,030.56 and 1,201.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196 : 3,030.56 = 1,201.29 : x
2. Step 2: Convert to fraction form
   2,196/3,030.56 = 1,201.29/x
3. Step 3: Cross multiply
   2,196x = 3,030.56 × 1,201.29
4. Step 4: Simplify right side
   2,196x = 3,640,575.42
5. Step 5: Solve for x
   x = 3,640,575.42/2,196
6. Step 6: Final answer
   x = 1,657.82