Finding the Fourth Proportional to 9,663.89, 14,495.69 and 2,738.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,663.89 : 14,495.69 = 2,738.39 : x
2. Step 2: Convert to fraction form
   9,663.89/14,495.69 = 2,738.39/x
3. Step 3: Cross multiply
   9,663.89x = 14,495.69 × 2,738.39
4. Step 4: Simplify right side
   9,663.89x = 39,694,786.91
5. Step 5: Solve for x
   x = 39,694,786.91/9,663.89
6. Step 6: Final answer
   x = 4,107.54