Finding the Fourth Proportional to 47,976.45, 71,964.17 and 16,386.15

Step by Step Solution

1. Step 1: Write the proportion equation
   47,976.45 : 71,964.17 = 16,386.15 : x
2. Step 2: Convert to fraction form
   47,976.45/71,964.17 = 16,386.15/x
3. Step 3: Cross multiply
   47,976.45x = 71,964.17 × 16,386.15
4. Step 4: Simplify right side
   47,976.45x = 1,179,215,684.25
5. Step 5: Solve for x
   x = 1,179,215,684.25/47,976.45
6. Step 6: Final answer
   x = 24,579.05