Finding the Fourth Proportional to 11,003.43, 16,505.13 and 3,105.93

Step by Step Solution

1. Step 1: Write the proportion equation
   11,003.43 : 16,505.13 = 3,105.93 : x
2. Step 2: Convert to fraction form
   11,003.43/16,505.13 = 3,105.93/x
3. Step 3: Cross multiply
   11,003.43x = 16,505.13 × 3,105.93
4. Step 4: Simplify right side
   11,003.43x = 51,263,778.42
5. Step 5: Solve for x
   x = 51,263,778.42/11,003.43
6. Step 6: Final answer
   x = 4,658.89