Finding the Fourth Proportional to 9,900, 14,852.55 and 7,298.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,900 : 14,852.55 = 7,298.49 : x
2. Step 2: Convert to fraction form
   9,900/14,852.55 = 7,298.49/x
3. Step 3: Cross multiply
   9,900x = 14,852.55 × 7,298.49
4. Step 4: Simplify right side
   9,900x = 108,401,187.65
5. Step 5: Solve for x
   x = 108,401,187.65/9,900
6. Step 6: Final answer
   x = 10,949.61