Finding the Fourth Proportional to 13,020.89, 17,968.82 and 7,052.55

Step by Step Solution

1. Step 1: Write the proportion equation
   13,020.89 : 17,968.82 = 7,052.55 : x
2. Step 2: Convert to fraction form
   13,020.89/17,968.82 = 7,052.55/x
3. Step 3: Cross multiply
   13,020.89x = 17,968.82 × 7,052.55
4. Step 4: Simplify right side
   13,020.89x = 126,725,966.23
5. Step 5: Solve for x
   x = 126,725,966.23/13,020.89
6. Step 6: Final answer
   x = 9,732.52