Finding the Fourth Proportional to 30,612.06, 42,255.27 and 18,036

Step by Step Solution

1. Step 1: Write the proportion equation
   30,612.06 : 42,255.27 = 18,036 : x
2. Step 2: Convert to fraction form
   30,612.06/42,255.27 = 18,036/x
3. Step 3: Cross multiply
   30,612.06x = 42,255.27 × 18,036
4. Step 4: Simplify right side
   30,612.06x = 762,116,049.72
5. Step 5: Solve for x
   x = 762,116,049.72/30,612.06
6. Step 6: Final answer
   x = 24,895.94