Finding the Fourth Proportional to 30,984.72, 42,758.37 and 16,837.62

Step by Step Solution

1. Step 1: Write the proportion equation
   30,984.72 : 42,758.37 = 16,837.62 : x
2. Step 2: Convert to fraction form
   30,984.72/42,758.37 = 16,837.62/x
3. Step 3: Cross multiply
   30,984.72x = 42,758.37 × 16,837.62
4. Step 4: Simplify right side
   30,984.72x = 719,949,185.88
5. Step 5: Solve for x
   x = 719,949,185.88/30,984.72
6. Step 6: Final answer
   x = 23,235.62