Finding the Fourth Proportional to 6,443.42, 8,889.26 and 4,204.49

Step by Step Solution

1. Step 1: Write the proportion equation
   6,443.42 : 8,889.26 = 4,204.49 : x
2. Step 2: Convert to fraction form
   6,443.42/8,889.26 = 4,204.49/x
3. Step 3: Cross multiply
   6,443.42x = 8,889.26 × 4,204.49
4. Step 4: Simplify right side
   6,443.42x = 37,374,739.31
5. Step 5: Solve for x
   x = 37,374,739.31/6,443.42
6. Step 6: Final answer
   x = 5,800.46