Finding the Fourth Proportional to 30,729.90, 42,404.67 and 17,300.10

Step by Step Solution

1. Step 1: Write the proportion equation
   30,729.90 : 42,404.67 = 17,300.10 : x
2. Step 2: Convert to fraction form
   30,729.90/42,404.67 = 17,300.10/x
3. Step 3: Cross multiply
   30,729.90x = 42,404.67 × 17,300.10
4. Step 4: Simplify right side
   30,729.90x = 733,605,031.47
5. Step 5: Solve for x
   x = 733,605,031.47/30,729.90
6. Step 6: Final answer
   x = 23,872.68