Finding the Fourth Proportional to 12,726.51, 17,562.57 and 7,062.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,726.51 : 17,562.57 = 7,062.12 : x
2. Step 2: Convert to fraction form
   12,726.51/17,562.57 = 7,062.12/x
3. Step 3: Cross multiply
   12,726.51x = 17,562.57 × 7,062.12
4. Step 4: Simplify right side
   12,726.51x = 124,028,976.85
5. Step 5: Solve for x
   x = 124,028,976.85/12,726.51
6. Step 6: Final answer
   x = 9,745.72