Finding the Fourth Proportional to 30,641.91, 42,285.51 and 17,029.88

Step by Step Solution

1. Step 1: Write the proportion equation
   30,641.91 : 42,285.51 = 17,029.88 : x
2. Step 2: Convert to fraction form
   30,641.91/42,285.51 = 17,029.88/x
3. Step 3: Cross multiply
   30,641.91x = 42,285.51 × 17,029.88
4. Step 4: Simplify right side
   30,641.91x = 720,116,949.61
5. Step 5: Solve for x
   x = 720,116,949.61/30,641.91
6. Step 6: Final answer
   x = 23,501.05