Finding the Fourth Proportional to 30,773.94, 42,446.94 and 18,843.18

Step by Step Solution

1. Step 1: Write the proportion equation
   30,773.94 : 42,446.94 = 18,843.18 : x
2. Step 2: Convert to fraction form
   30,773.94/42,446.94 = 18,843.18/x
3. Step 3: Cross multiply
   30,773.94x = 42,446.94 × 18,843.18
4. Step 4: Simplify right side
   30,773.94x = 799,835,024.42
5. Step 5: Solve for x
   x = 799,835,024.42/30,773.94
6. Step 6: Final answer
   x = 25,990.66