Finding the Fourth Proportional to 30,694.62, 42,359.17 and 17,948.94

Step by Step Solution

1. Step 1: Write the proportion equation
   30,694.62 : 42,359.17 = 17,948.94 : x
2. Step 2: Convert to fraction form
   30,694.62/42,359.17 = 17,948.94/x
3. Step 3: Cross multiply
   30,694.62x = 42,359.17 × 17,948.94
4. Step 4: Simplify right side
   30,694.62x = 760,302,200.78
5. Step 5: Solve for x
   x = 760,302,200.78/30,694.62
6. Step 6: Final answer
   x = 24,769.88