Finding the Fourth Proportional to 19,667.63, 27,117.73 and 16,069.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,667.63 : 27,117.73 = 16,069.25 : x
2. Step 2: Convert to fraction form
   19,667.63/27,117.73 = 16,069.25/x
3. Step 3: Cross multiply
   19,667.63x = 27,117.73 × 16,069.25
4. Step 4: Simplify right side
   19,667.63x = 435,761,582.80
5. Step 5: Solve for x
   x = 435,761,582.80/19,667.63
6. Step 6: Final answer
   x = 22,156.28