Finding the Fourth Proportional to 30,901.96, 42,645 and 16,755.04

Step by Step Solution

1. Step 1: Write the proportion equation
   30,901.96 : 42,645 = 16,755.04 : x
2. Step 2: Convert to fraction form
   30,901.96/42,645 = 16,755.04/x
3. Step 3: Cross multiply
   30,901.96x = 42,645 × 16,755.04
4. Step 4: Simplify right side
   30,901.96x = 714,518,680.80
5. Step 5: Solve for x
   x = 714,518,680.80/30,901.96
6. Step 6: Final answer
   x = 23,122.12