Finding the Fourth Proportional to 6,419.98, 9,625.31 and 4,334.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,419.98 : 9,625.31 = 4,334.82 : x
2. Step 2: Convert to fraction form
   6,419.98/9,625.31 = 4,334.82/x
3. Step 3: Cross multiply
   6,419.98x = 9,625.31 × 4,334.82
4. Step 4: Simplify right side
   6,419.98x = 41,723,932.59
5. Step 5: Solve for x
   x = 41,723,932.59/6,419.98
6. Step 6: Final answer
   x = 6,499.07