Finding the Fourth Proportional to 7,152.47, 10,731.66 and 3,861.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,152.47 : 10,731.66 = 3,861.69 : x
2. Step 2: Convert to fraction form
   7,152.47/10,731.66 = 3,861.69/x
3. Step 3: Cross multiply
   7,152.47x = 10,731.66 × 3,861.69
4. Step 4: Simplify right side
   7,152.47x = 41,442,289.38
5. Step 5: Solve for x
   x = 41,442,289.38/7,152.47
6. Step 6: Final answer
   x = 5,794.12