Finding the Fourth Proportional to 6,477.69, 8,939.02 and 3,645.22

Step by Step Solution

1. Step 1: Write the proportion equation
   6,477.69 : 8,939.02 = 3,645.22 : x
2. Step 2: Convert to fraction form
   6,477.69/8,939.02 = 3,645.22/x
3. Step 3: Cross multiply
   6,477.69x = 8,939.02 × 3,645.22
4. Step 4: Simplify right side
   6,477.69x = 32,584,694.48
5. Step 5: Solve for x
   x = 32,584,694.48/6,477.69
6. Step 6: Final answer
   x = 5,030.30