Finding the Fourth Proportional to 11,057.58, 16,564.16 and 5,494.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,057.58 : 16,564.16 = 5,494.10 : x
2. Step 2: Convert to fraction form
   11,057.58/16,564.16 = 5,494.10/x
3. Step 3: Cross multiply
   11,057.58x = 16,564.16 × 5,494.10
4. Step 4: Simplify right side
   11,057.58x = 91,005,151.46
5. Step 5: Solve for x
   x = 91,005,151.46/11,057.58
6. Step 6: Final answer
   x = 8,230.11