Finding the Fourth Proportional to 13,049.98, 18,009.02 and 7,081.71

Step by Step Solution

1. Step 1: Write the proportion equation
   13,049.98 : 18,009.02 = 7,081.71 : x
2. Step 2: Convert to fraction form
   13,049.98/18,009.02 = 7,081.71/x
3. Step 3: Cross multiply
   13,049.98x = 18,009.02 × 7,081.71
4. Step 4: Simplify right side
   13,049.98x = 127,534,657.02
5. Step 5: Solve for x
   x = 127,534,657.02/13,049.98
6. Step 6: Final answer
   x = 9,772.79