Finding the Fourth Proportional to 14,740.31, 20,341.43 and 8,771.83

Step by Step Solution

1. Step 1: Write the proportion equation
   14,740.31 : 20,341.43 = 8,771.83 : x
2. Step 2: Convert to fraction form
   14,740.31/20,341.43 = 8,771.83/x
3. Step 3: Cross multiply
   14,740.31x = 20,341.43 × 8,771.83
4. Step 4: Simplify right side
   14,740.31x = 178,431,504.10
5. Step 5: Solve for x
   x = 178,431,504.10/14,740.31
6. Step 6: Final answer
   x = 12,105.00