Finding the Fourth Proportional to 30,604.42, 42,234.86 and 17,176.70

Step by Step Solution

1. Step 1: Write the proportion equation
   30,604.42 : 42,234.86 = 17,176.70 : x
2. Step 2: Convert to fraction form
   30,604.42/42,234.86 = 17,176.70/x
3. Step 3: Cross multiply
   30,604.42x = 42,234.86 × 17,176.70
4. Step 4: Simplify right side
   30,604.42x = 725,455,519.76
5. Step 5: Solve for x
   x = 725,455,519.76/30,604.42
6. Step 6: Final answer
   x = 23,704.27