Finding the Fourth Proportional to 30,901.92, 42,644.52 and 16,754.40

Step by Step Solution

1. Step 1: Write the proportion equation
   30,901.92 : 42,644.52 = 16,754.40 : x
2. Step 2: Convert to fraction form
   30,901.92/42,644.52 = 16,754.40/x
3. Step 3: Cross multiply
   30,901.92x = 42,644.52 × 16,754.40
4. Step 4: Simplify right side
   30,901.92x = 714,483,345.89
5. Step 5: Solve for x
   x = 714,483,345.89/30,901.92
6. Step 6: Final answer
   x = 23,121.00