Finding the Fourth Proportional to 12,712.19, 17,540.33 and 7,046.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,712.19 : 17,540.33 = 7,046.69 : x
2. Step 2: Convert to fraction form
   12,712.19/17,540.33 = 7,046.69/x
3. Step 3: Cross multiply
   12,712.19x = 17,540.33 × 7,046.69
4. Step 4: Simplify right side
   12,712.19x = 123,601,145.07
5. Step 5: Solve for x
   x = 123,601,145.07/12,712.19
6. Step 6: Final answer
   x = 9,723.04