Finding the Fourth Proportional to 6,072.16, 8,380.42 and 3,715.08

Step by Step Solution

1. Step 1: Write the proportion equation
   6,072.16 : 8,380.42 = 3,715.08 : x
2. Step 2: Convert to fraction form
   6,072.16/8,380.42 = 3,715.08/x
3. Step 3: Cross multiply
   6,072.16x = 8,380.42 × 3,715.08
4. Step 4: Simplify right side
   6,072.16x = 31,133,930.73
5. Step 5: Solve for x
   x = 31,133,930.73/6,072.16
6. Step 6: Final answer
   x = 5,127.32