Finding the Fourth Proportional to 6,445.82, 9,591.52 and 6,423.96

Step by Step Solution

1. Step 1: Write the proportion equation
   6,445.82 : 9,591.52 = 6,423.96 : x
2. Step 2: Convert to fraction form
   6,445.82/9,591.52 = 6,423.96/x
3. Step 3: Cross multiply
   6,445.82x = 9,591.52 × 6,423.96
4. Step 4: Simplify right side
   6,445.82x = 61,615,540.82
5. Step 5: Solve for x
   x = 61,615,540.82/6,445.82
6. Step 6: Final answer
   x = 9,558.99