Finding the Fourth Proportional to 10,415.82, 15,621.15 and 3,838.44

Step by Step Solution

1. Step 1: Write the proportion equation
   10,415.82 : 15,621.15 = 3,838.44 : x
2. Step 2: Convert to fraction form
   10,415.82/15,621.15 = 3,838.44/x
3. Step 3: Cross multiply
   10,415.82x = 15,621.15 × 3,838.44
4. Step 4: Simplify right side
   10,415.82x = 59,960,847.01
5. Step 5: Solve for x
   x = 59,960,847.01/10,415.82
6. Step 6: Final answer
   x = 5,756.71