Finding the Fourth Proportional to 6,081.54, 8,392.34 and 3,428.91

Step by Step Solution

1. Step 1: Write the proportion equation
   6,081.54 : 8,392.34 = 3,428.91 : x
2. Step 2: Convert to fraction form
   6,081.54/8,392.34 = 3,428.91/x
3. Step 3: Cross multiply
   6,081.54x = 8,392.34 × 3,428.91
4. Step 4: Simplify right side
   6,081.54x = 28,776,561.40
5. Step 5: Solve for x
   x = 28,776,561.40/6,081.54
6. Step 6: Final answer
   x = 4,731.79