Finding the Fourth Proportional to 6,607.69, 9,118.56 and 3,623.47

Step by Step Solution

1. Step 1: Write the proportion equation
   6,607.69 : 9,118.56 = 3,623.47 : x
2. Step 2: Convert to fraction form
   6,607.69/9,118.56 = 3,623.47/x
3. Step 3: Cross multiply
   6,607.69x = 9,118.56 × 3,623.47
4. Step 4: Simplify right side
   6,607.69x = 33,040,828.60
5. Step 5: Solve for x
   x = 33,040,828.60/6,607.69
6. Step 6: Final answer
   x = 5,000.36