Finding the Fourth Proportional to 9,982.96, 13,775.72 and 5,506.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,982.96 : 13,775.72 = 5,506.88 : x
2. Step 2: Convert to fraction form
   9,982.96/13,775.72 = 5,506.88/x
3. Step 3: Cross multiply
   9,982.96x = 13,775.72 × 5,506.88
4. Step 4: Simplify right side
   9,982.96x = 75,861,236.95
5. Step 5: Solve for x
   x = 75,861,236.95/9,982.96
6. Step 6: Final answer
   x = 7,599.07