Finding the Fourth Proportional to 6,516.48, 8,983.68 and 4,158.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,516.48 : 8,983.68 = 4,158.72 : x
2. Step 2: Convert to fraction form
   6,516.48/8,983.68 = 4,158.72/x
3. Step 3: Cross multiply
   6,516.48x = 8,983.68 × 4,158.72
4. Step 4: Simplify right side
   6,516.48x = 37,360,609.69
5. Step 5: Solve for x
   x = 37,360,609.69/6,516.48
6. Step 6: Final answer
   x = 5,733.25