Finding the Fourth Proportional to 10,015.56, 15,031.98 and 3,863.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,015.56 : 15,031.98 = 3,863.88 : x
2. Step 2: Convert to fraction form
   10,015.56/15,031.98 = 3,863.88/x
3. Step 3: Cross multiply
   10,015.56x = 15,031.98 × 3,863.88
4. Step 4: Simplify right side
   10,015.56x = 58,081,766.88
5. Step 5: Solve for x
   x = 58,081,766.88/10,015.56
6. Step 6: Final answer
   x = 5,799.15