Finding the Fourth Proportional to 2,196.20, 3,027.30 and 1,729.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.20 : 3,027.30 = 1,729.64 : x
2. Step 2: Convert to fraction form
   2,196.20/3,027.30 = 1,729.64/x
3. Step 3: Cross multiply
   2,196.20x = 3,027.30 × 1,729.64
4. Step 4: Simplify right side
   2,196.20x = 5,236,139.17
5. Step 5: Solve for x
   x = 5,236,139.17/2,196.20
6. Step 6: Final answer
   x = 2,384.18