Finding the Fourth Proportional to 12,707.91, 19,058.25 and 8,020.91

Step by Step Solution

1. Step 1: Write the proportion equation
   12,707.91 : 19,058.25 = 8,020.91 : x
2. Step 2: Convert to fraction form
   12,707.91/19,058.25 = 8,020.91/x
3. Step 3: Cross multiply
   12,707.91x = 19,058.25 × 8,020.91
4. Step 4: Simplify right side
   12,707.91x = 152,864,412.72
5. Step 5: Solve for x
   x = 152,864,412.72/12,707.91
6. Step 6: Final answer
   x = 12,029.08