Finding the Fourth Proportional to 10,485.11, 14,469.69 and 5,705.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,485.11 : 14,469.69 = 5,705.33 : x
2. Step 2: Convert to fraction form
   10,485.11/14,469.69 = 5,705.33/x
3. Step 3: Cross multiply
   10,485.11x = 14,469.69 × 5,705.33
4. Step 4: Simplify right side
   10,485.11x = 82,554,284.10
5. Step 5: Solve for x
   x = 82,554,284.10/10,485.11
6. Step 6: Final answer
   x = 7,873.48