Finding the Fourth Proportional to 9,949.98, 14,929.02 and 5,268.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,949.98 : 14,929.02 = 5,268.72 : x
2. Step 2: Convert to fraction form
   9,949.98/14,929.02 = 5,268.72/x
3. Step 3: Cross multiply
   9,949.98x = 14,929.02 × 5,268.72
4. Step 4: Simplify right side
   9,949.98x = 78,656,826.25
5. Step 5: Solve for x
   x = 78,656,826.25/9,949.98
6. Step 6: Final answer
   x = 7,905.22