Finding the Fourth Proportional to 3,610.92, 5,392.28 and 3,426.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,610.92 : 5,392.28 = 3,426.41 : x
2. Step 2: Convert to fraction form
   3,610.92/5,392.28 = 3,426.41/x
3. Step 3: Cross multiply
   3,610.92x = 5,392.28 × 3,426.41
4. Step 4: Simplify right side
   3,610.92x = 18,476,118.02
5. Step 5: Solve for x
   x = 18,476,118.02/3,610.92
6. Step 6: Final answer
   x = 5,116.73