Finding the Fourth Proportional to 13,308.42, 18,366.90 and 8,003.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,308.42 : 18,366.90 = 8,003.12 : x
2. Step 2: Convert to fraction form
   13,308.42/18,366.90 = 8,003.12/x
3. Step 3: Cross multiply
   13,308.42x = 18,366.90 × 8,003.12
4. Step 4: Simplify right side
   13,308.42x = 146,992,504.73
5. Step 5: Solve for x
   x = 146,992,504.73/13,308.42
6. Step 6: Final answer
   x = 11,045.08