Finding the Fourth Proportional to 2,133.36, 3,196.94 and 900.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,133.36 : 3,196.94 = 900.09 : x
2. Step 2: Convert to fraction form
   2,133.36/3,196.94 = 900.09/x
3. Step 3: Cross multiply
   2,133.36x = 3,196.94 × 900.09
4. Step 4: Simplify right side
   2,133.36x = 2,877,529.22
5. Step 5: Solve for x
   x = 2,877,529.22/2,133.36
6. Step 6: Final answer
   x = 1,348.82