Finding the Fourth Proportional to 2,131.67, 3,193.36 and 1,204.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.67 : 3,193.36 = 1,204.43 : x
2. Step 2: Convert to fraction form
   2,131.67/3,193.36 = 1,204.43/x
3. Step 3: Cross multiply
   2,131.67x = 3,193.36 × 1,204.43
4. Step 4: Simplify right side
   2,131.67x = 3,846,159.61
5. Step 5: Solve for x
   x = 3,846,159.61/2,131.67
6. Step 6: Final answer
   x = 1,804.29