Finding the Fourth Proportional to 2,071.27, 2,858.27 and 1,186.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.27 : 2,858.27 = 1,186.46 : x
2. Step 2: Convert to fraction form
   2,071.27/2,858.27 = 1,186.46/x
3. Step 3: Cross multiply
   2,071.27x = 2,858.27 × 1,186.46
4. Step 4: Simplify right side
   2,071.27x = 3,391,202.80
5. Step 5: Solve for x
   x = 3,391,202.80/2,071.27
6. Step 6: Final answer
   x = 1,637.26