Finding the Fourth Proportional to 30,141.81, 41,596.71 and 18,202.77

Step by Step Solution

1. Step 1: Write the proportion equation
   30,141.81 : 41,596.71 = 18,202.77 : x
2. Step 2: Convert to fraction form
   30,141.81/41,596.71 = 18,202.77/x
3. Step 3: Cross multiply
   30,141.81x = 41,596.71 × 18,202.77
4. Step 4: Simplify right side
   30,141.81x = 757,175,344.89
5. Step 5: Solve for x
   x = 757,175,344.89/30,141.81
6. Step 6: Final answer
   x = 25,120.43