Finding the Fourth Proportional to 30,892.24, 42,631.56 and 16,745.32

Step by Step Solution

1. Step 1: Write the proportion equation
   30,892.24 : 42,631.56 = 16,745.32 : x
2. Step 2: Convert to fraction form
   30,892.24/42,631.56 = 16,745.32/x
3. Step 3: Cross multiply
   30,892.24x = 42,631.56 × 16,745.32
4. Step 4: Simplify right side
   30,892.24x = 713,879,114.30
5. Step 5: Solve for x
   x = 713,879,114.30/30,892.24
6. Step 6: Final answer
   x = 23,108.69