Finding the Fourth Proportional to 11,003.01, 16,488.77 and 8,495.45

Step by Step Solution

1. Step 1: Write the proportion equation
   11,003.01 : 16,488.77 = 8,495.45 : x
2. Step 2: Convert to fraction form
   11,003.01/16,488.77 = 8,495.45/x
3. Step 3: Cross multiply
   11,003.01x = 16,488.77 × 8,495.45
4. Step 4: Simplify right side
   11,003.01x = 140,079,458.01
5. Step 5: Solve for x
   x = 140,079,458.01/11,003.01
6. Step 6: Final answer
   x = 12,731.02