Finding the Fourth Proportional to 30,124.89, 41,573.42 and 18,185.90

Step by Step Solution

1. Step 1: Write the proportion equation
   30,124.89 : 41,573.42 = 18,185.90 : x
2. Step 2: Convert to fraction form
   30,124.89/41,573.42 = 18,185.90/x
3. Step 3: Cross multiply
   30,124.89x = 41,573.42 × 18,185.90
4. Step 4: Simplify right side
   30,124.89x = 756,049,759.98
5. Step 5: Solve for x
   x = 756,049,759.98/30,124.89
6. Step 6: Final answer
   x = 25,097.18