Finding the Fourth Proportional to 6,426.32, 9,645.96 and 4,339.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,426.32 : 9,645.96 = 4,339.76 : x
2. Step 2: Convert to fraction form
   6,426.32/9,645.96 = 4,339.76/x
3. Step 3: Cross multiply
   6,426.32x = 9,645.96 × 4,339.76
4. Step 4: Simplify right side
   6,426.32x = 41,861,151.37
5. Step 5: Solve for x
   x = 41,861,151.37/6,426.32
6. Step 6: Final answer
   x = 6,514.02