Finding the Fourth Proportional to 2,186.06, 3,279.72 and 1,262.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,186.06 : 3,279.72 = 1,262.27 : x
2. Step 2: Convert to fraction form
   2,186.06/3,279.72 = 1,262.27/x
3. Step 3: Cross multiply
   2,186.06x = 3,279.72 × 1,262.27
4. Step 4: Simplify right side
   2,186.06x = 4,139,892.16
5. Step 5: Solve for x
   x = 4,139,892.16/2,186.06
6. Step 6: Final answer
   x = 1,893.77