Finding the Fourth Proportional to 2,196.48, 3,031.68 and 1,368

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.48 : 3,031.68 = 1,368 : x
2. Step 2: Convert to fraction form
   2,196.48/3,031.68 = 1,368/x
3. Step 3: Cross multiply
   2,196.48x = 3,031.68 × 1,368
4. Step 4: Simplify right side
   2,196.48x = 4,147,338.24
5. Step 5: Solve for x
   x = 4,147,338.24/2,196.48
6. Step 6: Final answer
   x = 1,888.17