Finding the Fourth Proportional to 13,017.64, 17,964.36 and 7,049.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,017.64 : 17,964.36 = 7,049.32 : x
2. Step 2: Convert to fraction form
   13,017.64/17,964.36 = 7,049.32/x
3. Step 3: Cross multiply
   13,017.64x = 17,964.36 × 7,049.32
4. Step 4: Simplify right side
   13,017.64x = 126,636,450.89
5. Step 5: Solve for x
   x = 126,636,450.89/13,017.64
6. Step 6: Final answer
   x = 9,728.06