Finding the Fourth Proportional to 9,143.82, 13,718.83 and 3,878.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,143.82 : 13,718.83 = 3,878.62 : x
2. Step 2: Convert to fraction form
   9,143.82/13,718.83 = 3,878.62/x
3. Step 3: Cross multiply
   9,143.82x = 13,718.83 × 3,878.62
4. Step 4: Simplify right side
   9,143.82x = 53,210,128.41
5. Step 5: Solve for x
   x = 53,210,128.41/9,143.82
6. Step 6: Final answer
   x = 5,819.24