Finding the Fourth Proportional to 10,485.30, 14,469.36 and 5,769.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,485.30 : 14,469.36 = 5,769.54 : x
2. Step 2: Convert to fraction form
   10,485.30/14,469.36 = 5,769.54/x
3. Step 3: Cross multiply
   10,485.30x = 14,469.36 × 5,769.54
4. Step 4: Simplify right side
   10,485.30x = 83,481,551.29
5. Step 5: Solve for x
   x = 83,481,551.29/10,485.30
6. Step 6: Final answer
   x = 7,961.77