Finding the Fourth Proportional to 11,064.67, 16,598.83 and 5,518.20

Step by Step Solution

1. Step 1: Write the proportion equation
   11,064.67 : 16,598.83 = 5,518.20 : x
2. Step 2: Convert to fraction form
   11,064.67/16,598.83 = 5,518.20/x
3. Step 3: Cross multiply
   11,064.67x = 16,598.83 × 5,518.20
4. Step 4: Simplify right side
   11,064.67x = 91,595,553.12
5. Step 5: Solve for x
   x = 91,595,553.12/11,064.67
6. Step 6: Final answer
   x = 8,278.20