Finding the Fourth Proportional to 30,581.82, 42,194.85 and 17,657.91

Step by Step Solution

1. Step 1: Write the proportion equation
   30,581.82 : 42,194.85 = 17,657.91 : x
2. Step 2: Convert to fraction form
   30,581.82/42,194.85 = 17,657.91/x
3. Step 3: Cross multiply
   30,581.82x = 42,194.85 × 17,657.91
4. Step 4: Simplify right side
   30,581.82x = 745,072,863.76
5. Step 5: Solve for x
   x = 745,072,863.76/30,581.82
6. Step 6: Final answer
   x = 24,363.26