Finding the Fourth Proportional to 12,436.00, 18,660.48 and 5,508.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,436.00 : 18,660.48 = 5,508.88 : x
2. Step 2: Convert to fraction form
   12,436.00/18,660.48 = 5,508.88/x
3. Step 3: Cross multiply
   12,436.00x = 18,660.48 × 5,508.88
4. Step 4: Simplify right side
   12,436.00x = 102,798,224.22
5. Step 5: Solve for x
   x = 102,798,224.22/12,436.00
6. Step 6: Final answer
   x = 8,266.18