Finding the Fourth Proportional to 30,723.76, 42,401.98 and 18,795.04

Step by Step Solution

1. Step 1: Write the proportion equation
   30,723.76 : 42,401.98 = 18,795.04 : x
2. Step 2: Convert to fraction form
   30,723.76/42,401.98 = 18,795.04/x
3. Step 3: Cross multiply
   30,723.76x = 42,401.98 × 18,795.04
4. Step 4: Simplify right side
   30,723.76x = 796,946,827.67
5. Step 5: Solve for x
   x = 796,946,827.67/30,723.76
6. Step 6: Final answer
   x = 25,939.11