Finding the Fourth Proportional to 7,359.69, 10,153.38 and 4,172.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,359.69 : 10,153.38 = 4,172.31 : x
2. Step 2: Convert to fraction form
   7,359.69/10,153.38 = 4,172.31/x
3. Step 3: Cross multiply
   7,359.69x = 10,153.38 × 4,172.31
4. Step 4: Simplify right side
   7,359.69x = 42,363,033.26
5. Step 5: Solve for x
   x = 42,363,033.26/7,359.69
6. Step 6: Final answer
   x = 5,756.09