Finding the Fourth Proportional to 9,798.92, 13,522.72 and 5,550

Step by Step Solution

1. Step 1: Write the proportion equation
   9,798.92 : 13,522.72 = 5,550 : x
2. Step 2: Convert to fraction form
   9,798.92/13,522.72 = 5,550/x
3. Step 3: Cross multiply
   9,798.92x = 13,522.72 × 5,550
4. Step 4: Simplify right side
   9,798.92x = 75,051,096
5. Step 5: Solve for x
   x = 75,051,096/9,798.92
6. Step 6: Final answer
   x = 7,659.12