Finding the Fourth Proportional to 12,725.66, 17,561.28 and 7,060.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,725.66 : 17,561.28 = 7,060.42 : x
2. Step 2: Convert to fraction form
   12,725.66/17,561.28 = 7,060.42/x
3. Step 3: Cross multiply
   12,725.66x = 17,561.28 × 7,060.42
4. Step 4: Simplify right side
   12,725.66x = 123,989,942.33
5. Step 5: Solve for x
   x = 123,989,942.33/12,725.66
6. Step 6: Final answer
   x = 9,743.30