Finding the Fourth Proportional to 10,393.95, 15,581.20 and 3,818.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,393.95 : 15,581.20 = 3,818.37 : x
2. Step 2: Convert to fraction form
   10,393.95/15,581.20 = 3,818.37/x
3. Step 3: Cross multiply
   10,393.95x = 15,581.20 × 3,818.37
4. Step 4: Simplify right side
   10,393.95x = 59,494,800.96
5. Step 5: Solve for x
   x = 59,494,800.96/10,393.95
6. Step 6: Final answer
   x = 5,723.98