Finding the Fourth Proportional to 9,759, 14,638.71 and 3,519.51

Step by Step Solution

1. Step 1: Write the proportion equation
   9,759 : 14,638.71 = 3,519.51 : x
2. Step 2: Convert to fraction form
   9,759/14,638.71 = 3,519.51/x
3. Step 3: Cross multiply
   9,759x = 14,638.71 × 3,519.51
4. Step 4: Simplify right side
   9,759x = 51,521,086.23
5. Step 5: Solve for x
   x = 51,521,086.23/9,759
6. Step 6: Final answer
   x = 5,279.34