Finding the Fourth Proportional to 8,383.31, 12,555.83 and 4,003.85

Step by Step Solution

1. Step 1: Write the proportion equation
   8,383.31 : 12,555.83 = 4,003.85 : x
2. Step 2: Convert to fraction form
   8,383.31/12,555.83 = 4,003.85/x
3. Step 3: Cross multiply
   8,383.31x = 12,555.83 × 4,003.85
4. Step 4: Simplify right side
   8,383.31x = 50,271,607.18
5. Step 5: Solve for x
   x = 50,271,607.18/8,383.31
6. Step 6: Final answer
   x = 5,996.63