Finding the Fourth Proportional to 13,096.80, 18,054.48 and 9,947.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,096.80 : 18,054.48 = 9,947.52 : x
2. Step 2: Convert to fraction form
   13,096.80/18,054.48 = 9,947.52/x
3. Step 3: Cross multiply
   13,096.80x = 18,054.48 × 9,947.52
4. Step 4: Simplify right side
   13,096.80x = 179,597,300.89
5. Step 5: Solve for x
   x = 179,597,300.89/13,096.80
6. Step 6: Final answer
   x = 13,713.07