Finding the Fourth Proportional to 5,939.56, 8,906.71 and 3,165.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,939.56 : 8,906.71 = 3,165.72 : x
2. Step 2: Convert to fraction form
   5,939.56/8,906.71 = 3,165.72/x
3. Step 3: Cross multiply
   5,939.56x = 8,906.71 × 3,165.72
4. Step 4: Simplify right side
   5,939.56x = 28,196,089.62
5. Step 5: Solve for x
   x = 28,196,089.62/5,939.56
6. Step 6: Final answer
   x = 4,747.17