Finding the Fourth Proportional to 12,712.37, 17,542.17 and 7,046.57

Step by Step Solution

1. Step 1: Write the proportion equation
   12,712.37 : 17,542.17 = 7,046.57 : x
2. Step 2: Convert to fraction form
   12,712.37/17,542.17 = 7,046.57/x
3. Step 3: Cross multiply
   12,712.37x = 17,542.17 × 7,046.57
4. Step 4: Simplify right side
   12,712.37x = 123,612,041.15
5. Step 5: Solve for x
   x = 123,612,041.15/12,712.37
6. Step 6: Final answer
   x = 9,723.76