Finding the Fourth Proportional to 30,853.27, 42,582.05 and 18,113.48

Step by Step Solution

1. Step 1: Write the proportion equation
   30,853.27 : 42,582.05 = 18,113.48 : x
2. Step 2: Convert to fraction form
   30,853.27/42,582.05 = 18,113.48/x
3. Step 3: Cross multiply
   30,853.27x = 42,582.05 × 18,113.48
4. Step 4: Simplify right side
   30,853.27x = 771,309,077.17
5. Step 5: Solve for x
   x = 771,309,077.17/30,853.27
6. Step 6: Final answer
   x = 24,999.27