Finding the Fourth Proportional to 5,109.50, 7,669.61 and 4,528.22

Step by Step Solution

1. Step 1: Write the proportion equation
   5,109.50 : 7,669.61 = 4,528.22 : x
2. Step 2: Convert to fraction form
   5,109.50/7,669.61 = 4,528.22/x
3. Step 3: Cross multiply
   5,109.50x = 7,669.61 × 4,528.22
4. Step 4: Simplify right side
   5,109.50x = 34,729,681.39
5. Step 5: Solve for x
   x = 34,729,681.39/5,109.50
6. Step 6: Final answer
   x = 6,797.08