Finding the Fourth Proportional to 20,081.50, 27,725.46 and 12,914.62

Step by Step Solution

1. Step 1: Write the proportion equation
   20,081.50 : 27,725.46 = 12,914.62 : x
2. Step 2: Convert to fraction form
   20,081.50/27,725.46 = 12,914.62/x
3. Step 3: Cross multiply
   20,081.50x = 27,725.46 × 12,914.62
4. Step 4: Simplify right side
   20,081.50x = 358,063,780.23
5. Step 5: Solve for x
   x = 358,063,780.23/20,081.50
6. Step 6: Final answer
   x = 17,830.53