Finding the Fourth Proportional to 10,243.32, 15,365.69 and 3,486.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,243.32 : 15,365.69 = 3,486.18 : x
2. Step 2: Convert to fraction form
   10,243.32/15,365.69 = 3,486.18/x
3. Step 3: Cross multiply
   10,243.32x = 15,365.69 × 3,486.18
4. Step 4: Simplify right side
   10,243.32x = 53,567,501.49
5. Step 5: Solve for x
   x = 53,567,501.49/10,243.32
6. Step 6: Final answer
   x = 5,229.50