Finding the Fourth Proportional to 7,315.62, 10,095.60 and 4,129.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,315.62 : 10,095.60 = 4,129.69 : x
2. Step 2: Convert to fraction form
   7,315.62/10,095.60 = 4,129.69/x
3. Step 3: Cross multiply
   7,315.62x = 10,095.60 × 4,129.69
4. Step 4: Simplify right side
   7,315.62x = 41,691,647.89
5. Step 5: Solve for x
   x = 41,691,647.89/7,315.62
6. Step 6: Final answer
   x = 5,698.99