Finding the Fourth Proportional to 12,594.69, 17,379.61 and 7,289.85

Step by Step Solution

1. Step 1: Write the proportion equation
   12,594.69 : 17,379.61 = 7,289.85 : x
2. Step 2: Convert to fraction form
   12,594.69/17,379.61 = 7,289.85/x
3. Step 3: Cross multiply
   12,594.69x = 17,379.61 × 7,289.85
4. Step 4: Simplify right side
   12,594.69x = 126,694,740.15
5. Step 5: Solve for x
   x = 126,694,740.15/12,594.69
6. Step 6: Final answer
   x = 10,059.38