Finding the Fourth Proportional to 2,186.27, 3,017.30 and 1,346.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,186.27 : 3,017.30 = 1,346.81 : x
2. Step 2: Convert to fraction form
   2,186.27/3,017.30 = 1,346.81/x
3. Step 3: Cross multiply
   2,186.27x = 3,017.30 × 1,346.81
4. Step 4: Simplify right side
   2,186.27x = 4,063,729.81
5. Step 5: Solve for x
   x = 4,063,729.81/2,186.27
6. Step 6: Final answer
   x = 1,858.75