Finding the Fourth Proportional to 6,106.91, 8,427.46 and 3,589.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,106.91 : 8,427.46 = 3,589.31 : x
2. Step 2: Convert to fraction form
   6,106.91/8,427.46 = 3,589.31/x
3. Step 3: Cross multiply
   6,106.91x = 8,427.46 × 3,589.31
4. Step 4: Simplify right side
   6,106.91x = 30,248,785.28
5. Step 5: Solve for x
   x = 30,248,785.28/6,106.91
6. Step 6: Final answer
   x = 4,953.21