Finding the Fourth Proportional to 6,076.31, 8,385.25 and 3,387.49

Step by Step Solution

1. Step 1: Write the proportion equation
   6,076.31 : 8,385.25 = 3,387.49 : x
2. Step 2: Convert to fraction form
   6,076.31/8,385.25 = 3,387.49/x
3. Step 3: Cross multiply
   6,076.31x = 8,385.25 × 3,387.49
4. Step 4: Simplify right side
   6,076.31x = 28,404,967.58
5. Step 5: Solve for x
   x = 28,404,967.58/6,076.31
6. Step 6: Final answer
   x = 4,674.71