Finding the Fourth Proportional to 3,686.51, 5,086.69 and 2,194.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686.51 : 5,086.69 = 2,194.81 : x
2. Step 2: Convert to fraction form
   3,686.51/5,086.69 = 2,194.81/x
3. Step 3: Cross multiply
   3,686.51x = 5,086.69 × 2,194.81
4. Step 4: Simplify right side
   3,686.51x = 11,164,299.88
5. Step 5: Solve for x
   x = 11,164,299.88/3,686.51
6. Step 6: Final answer
   x = 3,028.42