Finding the Fourth Proportional to 10,393.68, 15,580.81 and 3,818.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,393.68 : 15,580.81 = 3,818.10 : x
2. Step 2: Convert to fraction form
   10,393.68/15,580.81 = 3,818.10/x
3. Step 3: Cross multiply
   10,393.68x = 15,580.81 × 3,818.10
4. Step 4: Simplify right side
   10,393.68x = 59,489,132.38
5. Step 5: Solve for x
   x = 59,489,132.38/10,393.68
6. Step 6: Final answer
   x = 5,723.58