Finding the Fourth Proportional to 6,081.37, 8,392.18 and 3,428.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,081.37 : 8,392.18 = 3,428.78 : x
2. Step 2: Convert to fraction form
   6,081.37/8,392.18 = 3,428.78/x
3. Step 3: Cross multiply
   6,081.37x = 8,392.18 × 3,428.78
4. Step 4: Simplify right side
   6,081.37x = 28,774,938.94
5. Step 5: Solve for x
   x = 28,774,938.94/6,081.37
6. Step 6: Final answer
   x = 4,731.65