Finding the Fourth Proportional to 6,076.63, 8,389.39 and 3,984.40

Step by Step Solution

1. Step 1: Write the proportion equation
   6,076.63 : 8,389.39 = 3,984.40 : x
2. Step 2: Convert to fraction form
   6,076.63/8,389.39 = 3,984.40/x
3. Step 3: Cross multiply
   6,076.63x = 8,389.39 × 3,984.40
4. Step 4: Simplify right side
   6,076.63x = 33,426,685.52
5. Step 5: Solve for x
   x = 33,426,685.52/6,076.63
6. Step 6: Final answer
   x = 5,500.86