Finding the Fourth Proportional to 12,277.00, 18,399.52 and 5,517.57

Step by Step Solution

1. Step 1: Write the proportion equation
   12,277.00 : 18,399.52 = 5,517.57 : x
2. Step 2: Convert to fraction form
   12,277.00/18,399.52 = 5,517.57/x
3. Step 3: Cross multiply
   12,277.00x = 18,399.52 × 5,517.57
4. Step 4: Simplify right side
   12,277.00x = 101,520,740.04
5. Step 5: Solve for x
   x = 101,520,740.04/12,277.00
6. Step 6: Final answer
   x = 8,269.18