Finding the Fourth Proportional to 30,731.94, 42,414.30 and 17,308.62

Step by Step Solution

1. Step 1: Write the proportion equation
   30,731.94 : 42,414.30 = 17,308.62 : x
2. Step 2: Convert to fraction form
   30,731.94/42,414.30 = 17,308.62/x
3. Step 3: Cross multiply
   30,731.94x = 42,414.30 × 17,308.62
4. Step 4: Simplify right side
   30,731.94x = 734,133,001.27
5. Step 5: Solve for x
   x = 734,133,001.27/30,731.94
6. Step 6: Final answer
   x = 23,888.27