Finding the Fourth Proportional to 2,131.42, 3,192.98 and 1,204.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.42 : 3,192.98 = 1,204.18 : x
2. Step 2: Convert to fraction form
   2,131.42/3,192.98 = 1,204.18/x
3. Step 3: Cross multiply
   2,131.42x = 3,192.98 × 1,204.18
4. Step 4: Simplify right side
   2,131.42x = 3,844,922.66
5. Step 5: Solve for x
   x = 3,844,922.66/2,131.42
6. Step 6: Final answer
   x = 1,803.93