Finding the Fourth Proportional to 6,072.62, 8,380.06 and 3,419.87

Step by Step Solution

1. Step 1: Write the proportion equation
   6,072.62 : 8,380.06 = 3,419.87 : x
2. Step 2: Convert to fraction form
   6,072.62/8,380.06 = 3,419.87/x
3. Step 3: Cross multiply
   6,072.62x = 8,380.06 × 3,419.87
4. Step 4: Simplify right side
   6,072.62x = 28,658,665.34
5. Step 5: Solve for x
   x = 28,658,665.34/6,072.62
6. Step 6: Final answer
   x = 4,719.33