Finding the Fourth Proportional to 10,485.22, 14,469.30 and 5,769.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,485.22 : 14,469.30 = 5,769.50 : x
2. Step 2: Convert to fraction form
   10,485.22/14,469.30 = 5,769.50/x
3. Step 3: Cross multiply
   10,485.22x = 14,469.30 × 5,769.50
4. Step 4: Simplify right side
   10,485.22x = 83,480,626.35
5. Step 5: Solve for x
   x = 83,480,626.35/10,485.22
6. Step 6: Final answer
   x = 7,961.74