Finding the Fourth Proportional to 30,894.65, 42,634.69 and 16,747.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,894.65 : 42,634.69 = 16,747.50 : x
2. Step 2: Convert to fraction form
   30,894.65/42,634.69 = 16,747.50/x
3. Step 3: Cross multiply
   30,894.65x = 42,634.69 × 16,747.50
4. Step 4: Simplify right side
   30,894.65x = 714,024,470.78
5. Step 5: Solve for x
   x = 714,024,470.78/30,894.65
6. Step 6: Final answer
   x = 23,111.59