Finding the Fourth Proportional to 11,003.03, 16,503.38 and 3,105.35

Step by Step Solution

1. Step 1: Write the proportion equation
   11,003.03 : 16,503.38 = 3,105.35 : x
2. Step 2: Convert to fraction form
   11,003.03/16,503.38 = 3,105.35/x
3. Step 3: Cross multiply
   11,003.03x = 16,503.38 × 3,105.35
4. Step 4: Simplify right side
   11,003.03x = 51,248,755.56
5. Step 5: Solve for x
   x = 51,248,755.56/11,003.03
6. Step 6: Final answer
   x = 4,657.69