Finding the Fourth Proportional to 10,860.39, 16,290.63 and 3,069.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,860.39 : 16,290.63 = 3,069.27 : x
2. Step 2: Convert to fraction form
   10,860.39/16,290.63 = 3,069.27/x
3. Step 3: Cross multiply
   10,860.39x = 16,290.63 × 3,069.27
4. Step 4: Simplify right side
   10,860.39x = 50,000,341.94
5. Step 5: Solve for x
   x = 50,000,341.94/10,860.39
6. Step 6: Final answer
   x = 4,603.92