Finding the Fourth Proportional to 13,049.99, 18,008.91 and 7,081.54

Step by Step Solution

1. Step 1: Write the proportion equation
   13,049.99 : 18,008.91 = 7,081.54 : x
2. Step 2: Convert to fraction form
   13,049.99/18,008.91 = 7,081.54/x
3. Step 3: Cross multiply
   13,049.99x = 18,008.91 × 7,081.54
4. Step 4: Simplify right side
   13,049.99x = 127,530,771.50
5. Step 5: Solve for x
   x = 127,530,771.50/13,049.99
6. Step 6: Final answer
   x = 9,772.48