Finding the Fourth Proportional to 2,013.98, 3,015.80 and 1,192.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013.98 : 3,015.80 = 1,192.84 : x
2. Step 2: Convert to fraction form
   2,013.98/3,015.80 = 1,192.84/x
3. Step 3: Cross multiply
   2,013.98x = 3,015.80 × 1,192.84
4. Step 4: Simplify right side
   2,013.98x = 3,597,369.85
5. Step 5: Solve for x
   x = 3,597,369.85/2,013.98
6. Step 6: Final answer
   x = 1,786.20