Finding the Fourth Proportional to 9,147.69, 12,624.93 and 5,964.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,147.69 : 12,624.93 = 5,964.39 : x
2. Step 2: Convert to fraction form
   9,147.69/12,624.93 = 5,964.39/x
3. Step 3: Cross multiply
   9,147.69x = 12,624.93 × 5,964.39
4. Step 4: Simplify right side
   9,147.69x = 75,300,006.24
5. Step 5: Solve for x
   x = 75,300,006.24/9,147.69
6. Step 6: Final answer
   x = 8,231.59