Finding the Fourth Proportional to 3,426.77, 5,137.83 and 1,086.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,426.77 : 5,137.83 = 1,086.01 : x
2. Step 2: Convert to fraction form
   3,426.77/5,137.83 = 1,086.01/x
3. Step 3: Cross multiply
   3,426.77x = 5,137.83 × 1,086.01
4. Step 4: Simplify right side
   3,426.77x = 5,579,721.91
5. Step 5: Solve for x
   x = 5,579,721.91/3,426.77
6. Step 6: Final answer
   x = 1,628.27