Finding the Fourth Proportional to 30,984.37, 42,758.81 and 16,837.45

Step by Step Solution

1. Step 1: Write the proportion equation
   30,984.37 : 42,758.81 = 16,837.45 : x
2. Step 2: Convert to fraction form
   30,984.37/42,758.81 = 16,837.45/x
3. Step 3: Cross multiply
   30,984.37x = 42,758.81 × 16,837.45
4. Step 4: Simplify right side
   30,984.37x = 719,949,325.43
5. Step 5: Solve for x
   x = 719,949,325.43/30,984.37
6. Step 6: Final answer
   x = 23,235.89