Finding the Fourth Proportional to 12,704.82, 17,532.60 and 7,039.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,704.82 : 17,532.60 = 7,039.56 : x
2. Step 2: Convert to fraction form
   12,704.82/17,532.60 = 7,039.56/x
3. Step 3: Cross multiply
   12,704.82x = 17,532.60 × 7,039.56
4. Step 4: Simplify right side
   12,704.82x = 123,421,789.66
5. Step 5: Solve for x
   x = 123,421,789.66/12,704.82
6. Step 6: Final answer
   x = 9,714.56