Finding the Fourth Proportional to 12,717.58, 17,549.41 and 7,052.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,717.58 : 17,549.41 = 7,052.12 : x
2. Step 2: Convert to fraction form
   12,717.58/17,549.41 = 7,052.12/x
3. Step 3: Cross multiply
   12,717.58x = 17,549.41 × 7,052.12
4. Step 4: Simplify right side
   12,717.58x = 123,760,571.49
5. Step 5: Solve for x
   x = 123,760,571.49/12,717.58
6. Step 6: Final answer
   x = 9,731.45