Finding the Fourth Proportional to 2,189.94, 3,284.98 and 729.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189.94 : 3,284.98 = 729.24 : x
2. Step 2: Convert to fraction form
   2,189.94/3,284.98 = 729.24/x
3. Step 3: Cross multiply
   2,189.94x = 3,284.98 × 729.24
4. Step 4: Simplify right side
   2,189.94x = 2,395,538.82
5. Step 5: Solve for x
   x = 2,395,538.82/2,189.94
6. Step 6: Final answer
   x = 1,093.88