Finding the Fourth Proportional to 6,076.54, 8,380.83 and 3,980.26

Step by Step Solution

1. Step 1: Write the proportion equation
   6,076.54 : 8,380.83 = 3,980.26 : x
2. Step 2: Convert to fraction form
   6,076.54/8,380.83 = 3,980.26/x
3. Step 3: Cross multiply
   6,076.54x = 8,380.83 × 3,980.26
4. Step 4: Simplify right side
   6,076.54x = 33,357,882.42
5. Step 5: Solve for x
   x = 33,357,882.42/6,076.54
6. Step 6: Final answer
   x = 5,489.62