Finding the Fourth Proportional to 10,540.82, 15,806.52 and 3,143.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,540.82 : 15,806.52 = 3,143.29 : x
2. Step 2: Convert to fraction form
   10,540.82/15,806.52 = 3,143.29/x
3. Step 3: Cross multiply
   10,540.82x = 15,806.52 × 3,143.29
4. Step 4: Simplify right side
   10,540.82x = 49,684,476.25
5. Step 5: Solve for x
   x = 49,684,476.25/10,540.82
6. Step 6: Final answer
   x = 4,713.53