Finding the Fourth Proportional to 9,930.21, 14,901.59 and 5,550.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,930.21 : 14,901.59 = 5,550.54 : x
2. Step 2: Convert to fraction form
   9,930.21/14,901.59 = 5,550.54/x
3. Step 3: Cross multiply
   9,930.21x = 14,901.59 × 5,550.54
4. Step 4: Simplify right side
   9,930.21x = 82,711,885.23
5. Step 5: Solve for x
   x = 82,711,885.23/9,930.21
6. Step 6: Final answer
   x = 8,329.32