Finding the Fourth Proportional to 8,015.82, 11,061.39 and 4,478.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,015.82 : 11,061.39 = 4,478.34 : x
2. Step 2: Convert to fraction form
   8,015.82/11,061.39 = 4,478.34/x
3. Step 3: Cross multiply
   8,015.82x = 11,061.39 × 4,478.34
4. Step 4: Simplify right side
   8,015.82x = 49,536,665.29
5. Step 5: Solve for x
   x = 49,536,665.29/8,015.82
6. Step 6: Final answer
   x = 6,179.86