Finding the Fourth Proportional to 6,081.76, 8,393.16 and 3,429.28

Step by Step Solution

1. Step 1: Write the proportion equation
   6,081.76 : 8,393.16 = 3,429.28 : x
2. Step 2: Convert to fraction form
   6,081.76/8,393.16 = 3,429.28/x
3. Step 3: Cross multiply
   6,081.76x = 8,393.16 × 3,429.28
4. Step 4: Simplify right side
   6,081.76x = 28,782,495.72
5. Step 5: Solve for x
   x = 28,782,495.72/6,081.76
6. Step 6: Final answer
   x = 4,732.59