Finding the Fourth Proportional to 11,083.15, 16,610.86 and 5,538.05

Step by Step Solution

1. Step 1: Write the proportion equation
   11,083.15 : 16,610.86 = 5,538.05 : x
2. Step 2: Convert to fraction form
   11,083.15/16,610.86 = 5,538.05/x
3. Step 3: Cross multiply
   11,083.15x = 16,610.86 × 5,538.05
4. Step 4: Simplify right side
   11,083.15x = 91,991,773.22
5. Step 5: Solve for x
   x = 91,991,773.22/11,083.15
6. Step 6: Final answer
   x = 8,300.15