Finding the Fourth Proportional to 2,186.23, 3,016.56 and 1,347.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,186.23 : 3,016.56 = 1,347.07 : x
2. Step 2: Convert to fraction form
   2,186.23/3,016.56 = 1,347.07/x
3. Step 3: Cross multiply
   2,186.23x = 3,016.56 × 1,347.07
4. Step 4: Simplify right side
   2,186.23x = 4,063,517.48
5. Step 5: Solve for x
   x = 4,063,517.48/2,186.23
6. Step 6: Final answer
   x = 1,858.69