Finding the Fourth Proportional to 10,863.72, 16,293.78 and 3,070.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,863.72 : 16,293.78 = 3,070.62 : x
2. Step 2: Convert to fraction form
   10,863.72/16,293.78 = 3,070.62/x
3. Step 3: Cross multiply
   10,863.72x = 16,293.78 × 3,070.62
4. Step 4: Simplify right side
   10,863.72x = 50,032,006.74
5. Step 5: Solve for x
   x = 50,032,006.74/10,863.72
6. Step 6: Final answer
   x = 4,605.42