Finding the Fourth Proportional to 20,271.26, 27,993.59 and 19,166.83

Step by Step Solution

1. Step 1: Write the proportion equation
   20,271.26 : 27,993.59 = 19,166.83 : x
2. Step 2: Convert to fraction form
   20,271.26/27,993.59 = 19,166.83/x
3. Step 3: Cross multiply
   20,271.26x = 27,993.59 × 19,166.83
4. Step 4: Simplify right side
   20,271.26x = 536,548,144.82
5. Step 5: Solve for x
   x = 536,548,144.82/20,271.26
6. Step 6: Final answer
   x = 26,468.42