Finding the Fourth Proportional to 13,120.00, 18,105.94 and 8,087.54

Step by Step Solution

1. Step 1: Write the proportion equation
   13,120.00 : 18,105.94 = 8,087.54 : x
2. Step 2: Convert to fraction form
   13,120.00/18,105.94 = 8,087.54/x
3. Step 3: Cross multiply
   13,120.00x = 18,105.94 × 8,087.54
4. Step 4: Simplify right side
   13,120.00x = 146,432,473.55
5. Step 5: Solve for x
   x = 146,432,473.55/13,120.00
6. Step 6: Final answer
   x = 11,161.02