Finding the Fourth Proportional to 9,800.34, 13,523.94 and 5,550.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,800.34 : 13,523.94 = 5,550.81 : x
2. Step 2: Convert to fraction form
   9,800.34/13,523.94 = 5,550.81/x
3. Step 3: Cross multiply
   9,800.34x = 13,523.94 × 5,550.81
4. Step 4: Simplify right side
   9,800.34x = 75,068,821.39
5. Step 5: Solve for x
   x = 75,068,821.39/9,800.34
6. Step 6: Final answer
   x = 7,659.82