Finding the Fourth Proportional to 12,717.19, 17,549.85 and 7,052.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,717.19 : 17,549.85 = 7,052.05 : x
2. Step 2: Convert to fraction form
   12,717.19/17,549.85 = 7,052.05/x
3. Step 3: Cross multiply
   12,717.19x = 17,549.85 × 7,052.05
4. Step 4: Simplify right side
   12,717.19x = 123,762,419.69
5. Step 5: Solve for x
   x = 123,762,419.69/12,717.19
6. Step 6: Final answer
   x = 9,731.90