Finding the Fourth Proportional to 57,744.61, 86,619.98 and 18,304.81

Step by Step Solution

1. Step 1: Write the proportion equation
   57,744.61 : 86,619.98 = 18,304.81 : x
2. Step 2: Convert to fraction form
   57,744.61/86,619.98 = 18,304.81/x
3. Step 3: Cross multiply
   57,744.61x = 86,619.98 × 18,304.81
4. Step 4: Simplify right side
   57,744.61x = 1,585,562,105.32
5. Step 5: Solve for x
   x = 1,585,562,105.32/57,744.61
6. Step 6: Final answer
   x = 27,458.18