Finding the Fourth Proportional to 30,892, 42,631.05 and 16,744.90

Step by Step Solution

1. Step 1: Write the proportion equation
   30,892 : 42,631.05 = 16,744.90 : x
2. Step 2: Convert to fraction form
   30,892/42,631.05 = 16,744.90/x
3. Step 3: Cross multiply
   30,892x = 42,631.05 × 16,744.90
4. Step 4: Simplify right side
   30,892x = 713,852,669.15
5. Step 5: Solve for x
   x = 713,852,669.15/30,892
6. Step 6: Final answer
   x = 23,108.01