Finding the Fourth Proportional to 12,686.97, 19,030.59 and 5,667.33

Step by Step Solution

1. Step 1: Write the proportion equation
   12,686.97 : 19,030.59 = 5,667.33 : x
2. Step 2: Convert to fraction form
   12,686.97/19,030.59 = 5,667.33/x
3. Step 3: Cross multiply
   12,686.97x = 19,030.59 × 5,667.33
4. Step 4: Simplify right side
   12,686.97x = 107,852,633.62
5. Step 5: Solve for x
   x = 107,852,633.62/12,686.97
6. Step 6: Final answer
   x = 8,501.06