Finding the Fourth Proportional to 30,168.18, 41,632.74 and 16,739

Step by Step Solution

1. Step 1: Write the proportion equation
   30,168.18 : 41,632.74 = 16,739 : x
2. Step 2: Convert to fraction form
   30,168.18/41,632.74 = 16,739/x
3. Step 3: Cross multiply
   30,168.18x = 41,632.74 × 16,739
4. Step 4: Simplify right side
   30,168.18x = 696,890,434.86
5. Step 5: Solve for x
   x = 696,890,434.86/30,168.18
6. Step 6: Final answer
   x = 23,100.18