Finding the Fourth Proportional to 2,186.46, 3,017.33 and 1,191.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,186.46 : 3,017.33 = 1,191.73 : x
2. Step 2: Convert to fraction form
   2,186.46/3,017.33 = 1,191.73/x
3. Step 3: Cross multiply
   2,186.46x = 3,017.33 × 1,191.73
4. Step 4: Simplify right side
   2,186.46x = 3,595,836.72
5. Step 5: Solve for x
   x = 3,595,836.72/2,186.46
6. Step 6: Final answer
   x = 1,644.60