Finding the Fourth Proportional to 10,949.22, 16,418.88 and 5,107.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,949.22 : 16,418.88 = 5,107.50 : x
2. Step 2: Convert to fraction form
   10,949.22/16,418.88 = 5,107.50/x
3. Step 3: Cross multiply
   10,949.22x = 16,418.88 × 5,107.50
4. Step 4: Simplify right side
   10,949.22x = 83,859,429.60
5. Step 5: Solve for x
   x = 83,859,429.60/10,949.22
6. Step 6: Final answer
   x = 7,658.94