Finding the Fourth Proportional to 6,323.58, 8,725.59 and 3,964.86

Step by Step Solution

1. Step 1: Write the proportion equation
   6,323.58 : 8,725.59 = 3,964.86 : x
2. Step 2: Convert to fraction form
   6,323.58/8,725.59 = 3,964.86/x
3. Step 3: Cross multiply
   6,323.58x = 8,725.59 × 3,964.86
4. Step 4: Simplify right side
   6,323.58x = 34,595,742.77
5. Step 5: Solve for x
   x = 34,595,742.77/6,323.58
6. Step 6: Final answer
   x = 5,470.91