Finding the Fourth Proportional to 30,662.10, 42,312.59 and 17,234.09

Step by Step Solution

1. Step 1: Write the proportion equation
   30,662.10 : 42,312.59 = 17,234.09 : x
2. Step 2: Convert to fraction form
   30,662.10/42,312.59 = 17,234.09/x
3. Step 3: Cross multiply
   30,662.10x = 42,312.59 × 17,234.09
4. Step 4: Simplify right side
   30,662.10x = 729,218,909.76
5. Step 5: Solve for x
   x = 729,218,909.76/30,662.10
6. Step 6: Final answer
   x = 23,782.42