Finding the Fourth Proportional to 19,771.30, 29,667.89 and 8,092.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,771.30 : 29,667.89 = 8,092.72 : x
2. Step 2: Convert to fraction form
   19,771.30/29,667.89 = 8,092.72/x
3. Step 3: Cross multiply
   19,771.30x = 29,667.89 × 8,092.72
4. Step 4: Simplify right side
   19,771.30x = 240,093,926.76
5. Step 5: Solve for x
   x = 240,093,926.76/19,771.30
6. Step 6: Final answer
   x = 12,143.56