Finding the Fourth Proportional to 15,845.59, 23,771.99 and 8,446.15

Step by Step Solution

1. Step 1: Write the proportion equation
   15,845.59 : 23,771.99 = 8,446.15 : x
2. Step 2: Convert to fraction form
   15,845.59/23,771.99 = 8,446.15/x
3. Step 3: Cross multiply
   15,845.59x = 23,771.99 × 8,446.15
4. Step 4: Simplify right side
   15,845.59x = 200,781,793.34
5. Step 5: Solve for x
   x = 200,781,793.34/15,845.59
6. Step 6: Final answer
   x = 12,671.15