Finding the Fourth Proportional to 10,393.62, 15,581.16 and 3,818.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,393.62 : 15,581.16 = 3,818.28 : x
2. Step 2: Convert to fraction form
   10,393.62/15,581.16 = 3,818.28/x
3. Step 3: Cross multiply
   10,393.62x = 15,581.16 × 3,818.28
4. Step 4: Simplify right side
   10,393.62x = 59,493,231.60
5. Step 5: Solve for x
   x = 59,493,231.60/10,393.62
6. Step 6: Final answer
   x = 5,724.01