Finding the Fourth Proportional to 10,485.44, 14,469.78 and 5,705.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,485.44 : 14,469.78 = 5,705.52 : x
2. Step 2: Convert to fraction form
   10,485.44/14,469.78 = 5,705.52/x
3. Step 3: Cross multiply
   10,485.44x = 14,469.78 × 5,705.52
4. Step 4: Simplify right side
   10,485.44x = 82,557,619.19
5. Step 5: Solve for x
   x = 82,557,619.19/10,485.44
6. Step 6: Final answer
   x = 7,873.55