Finding the Fourth Proportional to 4,820.91, 6,650.89 and 3,141.71

Step by Step Solution

1. Step 1: Write the proportion equation
   4,820.91 : 6,650.89 = 3,141.71 : x
2. Step 2: Convert to fraction form
   4,820.91/6,650.89 = 3,141.71/x
3. Step 3: Cross multiply
   4,820.91x = 6,650.89 × 3,141.71
4. Step 4: Simplify right side
   4,820.91x = 20,895,144.19
5. Step 5: Solve for x
   x = 20,895,144.19/4,820.91
6. Step 6: Final answer
   x = 4,334.27