Finding the Fourth Proportional to 9,647.27, 14,488.72 and 5,775.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,647.27 : 14,488.72 = 5,775.47 : x
2. Step 2: Convert to fraction form
   9,647.27/14,488.72 = 5,775.47/x
3. Step 3: Cross multiply
   9,647.27x = 14,488.72 × 5,775.47
4. Step 4: Simplify right side
   9,647.27x = 83,679,167.64
5. Step 5: Solve for x
   x = 83,679,167.64/9,647.27
6. Step 6: Final answer
   x = 8,673.87