Finding the Fourth Proportional to 2,196.16, 3,029.28 and 1,636.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.16 : 3,029.28 = 1,636.16 : x
2. Step 2: Convert to fraction form
   2,196.16/3,029.28 = 1,636.16/x
3. Step 3: Cross multiply
   2,196.16x = 3,029.28 × 1,636.16
4. Step 4: Simplify right side
   2,196.16x = 4,956,386.76
5. Step 5: Solve for x
   x = 4,956,386.76/2,196.16
6. Step 6: Final answer
   x = 2,256.84