Finding the Fourth Proportional to 2,231.39, 3,085.62 and 2,196.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,231.39 : 3,085.62 = 2,196.16 : x
2. Step 2: Convert to fraction form
   2,231.39/3,085.62 = 2,196.16/x
3. Step 3: Cross multiply
   2,231.39x = 3,085.62 × 2,196.16
4. Step 4: Simplify right side
   2,231.39x = 6,776,515.22
5. Step 5: Solve for x
   x = 6,776,515.22/2,231.39
6. Step 6: Final answer
   x = 3,036.90