Finding the Fourth Proportional to 10,071.30, 15,105.06 and 4,227.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,071.30 : 15,105.06 = 4,227.96 : x
2. Step 2: Convert to fraction form
   10,071.30/15,105.06 = 4,227.96/x
3. Step 3: Cross multiply
   10,071.30x = 15,105.06 × 4,227.96
4. Step 4: Simplify right side
   10,071.30x = 63,863,589.48
5. Step 5: Solve for x
   x = 63,863,589.48/10,071.30
6. Step 6: Final answer
   x = 6,341.15