Finding the Fourth Proportional to 9,647.59, 14,431.78 and 7,703.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,647.59 : 14,431.78 = 7,703.59 : x
2. Step 2: Convert to fraction form
   9,647.59/14,431.78 = 7,703.59/x
3. Step 3: Cross multiply
   9,647.59x = 14,431.78 × 7,703.59
4. Step 4: Simplify right side
   9,647.59x = 111,176,516.09
5. Step 5: Solve for x
   x = 111,176,516.09/9,647.59
6. Step 6: Final answer
   x = 11,523.76