Finding the Fourth Proportional to 2,186.73, 3,017.75 and 1,192.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,186.73 : 3,017.75 = 1,192.05 : x
2. Step 2: Convert to fraction form
   2,186.73/3,017.75 = 1,192.05/x
3. Step 3: Cross multiply
   2,186.73x = 3,017.75 × 1,192.05
4. Step 4: Simplify right side
   2,186.73x = 3,597,302.93
5. Step 5: Solve for x
   x = 3,597,302.93/2,186.73
6. Step 6: Final answer
   x = 1,645.06