Finding the Fourth Proportional to 30,123.42, 41,546.88 and 18,174.30

Step by Step Solution

1. Step 1: Write the proportion equation
   30,123.42 : 41,546.88 = 18,174.30 : x
2. Step 2: Convert to fraction form
   30,123.42/41,546.88 = 18,174.30/x
3. Step 3: Cross multiply
   30,123.42x = 41,546.88 × 18,174.30
4. Step 4: Simplify right side
   30,123.42x = 755,085,461.18
5. Step 5: Solve for x
   x = 755,085,461.18/30,123.42
6. Step 6: Final answer
   x = 25,066.39