Finding the Fourth Proportional to 6,076.72, 8,385.78 and 3,424.38

Step by Step Solution

1. Step 1: Write the proportion equation
   6,076.72 : 8,385.78 = 3,424.38 : x
2. Step 2: Convert to fraction form
   6,076.72/8,385.78 = 3,424.38/x
3. Step 3: Cross multiply
   6,076.72x = 8,385.78 × 3,424.38
4. Step 4: Simplify right side
   6,076.72x = 28,716,097.32
5. Step 5: Solve for x
   x = 28,716,097.32/6,076.72
6. Step 6: Final answer
   x = 4,725.59