Finding the Fourth Proportional to 10,086.39, 15,120.36 and 4,243.41

Step by Step Solution

1. Step 1: Write the proportion equation
   10,086.39 : 15,120.36 = 4,243.41 : x
2. Step 2: Convert to fraction form
   10,086.39/15,120.36 = 4,243.41/x
3. Step 3: Cross multiply
   10,086.39x = 15,120.36 × 4,243.41
4. Step 4: Simplify right side
   10,086.39x = 64,161,886.83
5. Step 5: Solve for x
   x = 64,161,886.83/10,086.39
6. Step 6: Final answer
   x = 6,361.23