Finding the Fourth Proportional to 30,072.42, 41,508.28 and 17,499.60

Step by Step Solution

1. Step 1: Write the proportion equation
   30,072.42 : 41,508.28 = 17,499.60 : x
2. Step 2: Convert to fraction form
   30,072.42/41,508.28 = 17,499.60/x
3. Step 3: Cross multiply
   30,072.42x = 41,508.28 × 17,499.60
4. Step 4: Simplify right side
   30,072.42x = 726,378,296.69
5. Step 5: Solve for x
   x = 726,378,296.69/30,072.42
6. Step 6: Final answer
   x = 24,154.30