Finding the Fourth Proportional to 11,101.11, 16,665.16 and 5,183.79

Step by Step Solution

1. Step 1: Write the proportion equation
   11,101.11 : 16,665.16 = 5,183.79 : x
2. Step 2: Convert to fraction form
   11,101.11/16,665.16 = 5,183.79/x
3. Step 3: Cross multiply
   11,101.11x = 16,665.16 × 5,183.79
4. Step 4: Simplify right side
   11,101.11x = 86,388,689.76
5. Step 5: Solve for x
   x = 86,388,689.76/11,101.11
6. Step 6: Final answer
   x = 7,781.99