Finding the Fourth Proportional to 2,196.40, 3,032.44 and 1,698.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.40 : 3,032.44 = 1,698.16 : x
2. Step 2: Convert to fraction form
   2,196.40/3,032.44 = 1,698.16/x
3. Step 3: Cross multiply
   2,196.40x = 3,032.44 × 1,698.16
4. Step 4: Simplify right side
   2,196.40x = 5,149,568.31
5. Step 5: Solve for x
   x = 5,149,568.31/2,196.40
6. Step 6: Final answer
   x = 2,344.55