Finding the Fourth Proportional to 10,485.19, 14,469.66 and 5,769.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,485.19 : 14,469.66 = 5,769.57 : x
2. Step 2: Convert to fraction form
   10,485.19/14,469.66 = 5,769.57/x
3. Step 3: Cross multiply
   10,485.19x = 14,469.66 × 5,769.57
4. Step 4: Simplify right side
   10,485.19x = 83,483,716.25
5. Step 5: Solve for x
   x = 83,483,716.25/10,485.19
6. Step 6: Final answer
   x = 7,962.06