Finding the Fourth Proportional to 30,419.37, 41,976.27 and 16,989.84

Step by Step Solution

1. Step 1: Write the proportion equation
   30,419.37 : 41,976.27 = 16,989.84 : x
2. Step 2: Convert to fraction form
   30,419.37/41,976.27 = 16,989.84/x
3. Step 3: Cross multiply
   30,419.37x = 41,976.27 × 16,989.84
4. Step 4: Simplify right side
   30,419.37x = 713,170,111.10
5. Step 5: Solve for x
   x = 713,170,111.10/30,419.37
6. Step 6: Final answer
   x = 23,444.60