Finding the Fourth Proportional to 10,485.39, 14,469.81 and 5,769.66

Step by Step Solution

1. Step 1: Write the proportion equation
   10,485.39 : 14,469.81 = 5,769.66 : x
2. Step 2: Convert to fraction form
   10,485.39/14,469.81 = 5,769.66/x
3. Step 3: Cross multiply
   10,485.39x = 14,469.81 × 5,769.66
4. Step 4: Simplify right side
   10,485.39x = 83,485,883.96
5. Step 5: Solve for x
   x = 83,485,883.96/10,485.39
6. Step 6: Final answer
   x = 7,962.12