Finding the Fourth Proportional to 10,950.22, 16,420.38 and 5,108.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,950.22 : 16,420.38 = 5,108.50 : x
2. Step 2: Convert to fraction form
   10,950.22/16,420.38 = 5,108.50/x
3. Step 3: Cross multiply
   10,950.22x = 16,420.38 × 5,108.50
4. Step 4: Simplify right side
   10,950.22x = 83,883,511.23
5. Step 5: Solve for x
   x = 83,883,511.23/10,950.22
6. Step 6: Final answer
   x = 7,660.44