Finding the Fourth Proportional to 8,003.10, 11,998.89 and 3,558.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,003.10 : 11,998.89 = 3,558.54 : x
2. Step 2: Convert to fraction form
   8,003.10/11,998.89 = 3,558.54/x
3. Step 3: Cross multiply
   8,003.10x = 11,998.89 × 3,558.54
4. Step 4: Simplify right side
   8,003.10x = 42,698,530.02
5. Step 5: Solve for x
   x = 42,698,530.02/8,003.10
6. Step 6: Final answer
   x = 5,335.25