Finding the Fourth Proportional to 12,730.43, 19,095.78 and 3,845.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,730.43 : 19,095.78 = 3,845.83 : x
2. Step 2: Convert to fraction form
   12,730.43/19,095.78 = 3,845.83/x
3. Step 3: Cross multiply
   12,730.43x = 19,095.78 × 3,845.83
4. Step 4: Simplify right side
   12,730.43x = 73,439,105.91
5. Step 5: Solve for x
   x = 73,439,105.91/12,730.43
6. Step 6: Final answer
   x = 5,768.79