Finding the Fourth Proportional to 6,081.35, 8,392.28 and 3,428.75

Step by Step Solution

1. Step 1: Write the proportion equation
   6,081.35 : 8,392.28 = 3,428.75 : x
2. Step 2: Convert to fraction form
   6,081.35/8,392.28 = 3,428.75/x
3. Step 3: Cross multiply
   6,081.35x = 8,392.28 × 3,428.75
4. Step 4: Simplify right side
   6,081.35x = 28,775,033.89
5. Step 5: Solve for x
   x = 28,775,033.89/6,081.35
6. Step 6: Final answer
   x = 4,731.69