Finding the Fourth Proportional to 7,315.69, 10,095.83 and 4,172.17

Step by Step Solution

1. Step 1: Write the proportion equation
   7,315.69 : 10,095.83 = 4,172.17 : x
2. Step 2: Convert to fraction form
   7,315.69/10,095.83 = 4,172.17/x
3. Step 3: Cross multiply
   7,315.69x = 10,095.83 × 4,172.17
4. Step 4: Simplify right side
   7,315.69x = 42,121,519.05
5. Step 5: Solve for x
   x = 42,121,519.05/7,315.69
6. Step 6: Final answer
   x = 5,757.70