Finding the Fourth Proportional to 6,180.83, 8,520.63 and 4,081.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,180.83 : 8,520.63 = 4,081.31 : x
2. Step 2: Convert to fraction form
   6,180.83/8,520.63 = 4,081.31/x
3. Step 3: Cross multiply
   6,180.83x = 8,520.63 × 4,081.31
4. Step 4: Simplify right side
   6,180.83x = 34,775,332.43
5. Step 5: Solve for x
   x = 34,775,332.43/6,180.83
6. Step 6: Final answer
   x = 5,626.32