Finding the Fourth Proportional to 13,047.56, 17,996.34 and 9,065.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,047.56 : 17,996.34 = 9,065.48 : x
2. Step 2: Convert to fraction form
   13,047.56/17,996.34 = 9,065.48/x
3. Step 3: Cross multiply
   13,047.56x = 17,996.34 × 9,065.48
4. Step 4: Simplify right side
   13,047.56x = 163,145,460.34
5. Step 5: Solve for x
   x = 163,145,460.34/13,047.56
6. Step 6: Final answer
   x = 12,503.91