Finding the Fourth Proportional to 30,894, 42,633.96 and 18,329.52

Step by Step Solution

1. Step 1: Write the proportion equation
   30,894 : 42,633.96 = 18,329.52 : x
2. Step 2: Convert to fraction form
   30,894/42,633.96 = 18,329.52/x
3. Step 3: Cross multiply
   30,894x = 42,633.96 × 18,329.52
4. Step 4: Simplify right side
   30,894x = 781,460,022.50
5. Step 5: Solve for x
   x = 781,460,022.50/30,894
6. Step 6: Final answer
   x = 25,294.88