Finding the Fourth Proportional to 2,186.01, 3,016.73 and 1,191.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,186.01 : 3,016.73 = 1,191.29 : x
2. Step 2: Convert to fraction form
   2,186.01/3,016.73 = 1,191.29/x
3. Step 3: Cross multiply
   2,186.01x = 3,016.73 × 1,191.29
4. Step 4: Simplify right side
   2,186.01x = 3,593,799.49
5. Step 5: Solve for x
   x = 3,593,799.49/2,186.01
6. Step 6: Final answer
   x = 1,644.00