Finding the Fourth Proportional to 41,983.26, 62,978.52 and 10,818.50

Step by Step Solution

1. Step 1: Write the proportion equation
   41,983.26 : 62,978.52 = 10,818.50 : x
2. Step 2: Convert to fraction form
   41,983.26/62,978.52 = 10,818.50/x
3. Step 3: Cross multiply
   41,983.26x = 62,978.52 × 10,818.50
4. Step 4: Simplify right side
   41,983.26x = 681,333,118.62
5. Step 5: Solve for x
   x = 681,333,118.62/41,983.26
6. Step 6: Final answer
   x = 16,228.69