Finding the Fourth Proportional to 47,978.82, 71,968.22 and 16,814.07

Step by Step Solution

1. Step 1: Write the proportion equation
   47,978.82 : 71,968.22 = 16,814.07 : x
2. Step 2: Convert to fraction form
   47,978.82/71,968.22 = 16,814.07/x
3. Step 3: Cross multiply
   47,978.82x = 71,968.22 × 16,814.07
4. Step 4: Simplify right side
   47,978.82x = 1,210,078,604.79
5. Step 5: Solve for x
   x = 1,210,078,604.79/47,978.82
6. Step 6: Final answer
   x = 25,221.10