Finding the Fourth Proportional to 9,798.81, 13,524.71 and 5,609.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,798.81 : 13,524.71 = 5,609.49 : x
2. Step 2: Convert to fraction form
   9,798.81/13,524.71 = 5,609.49/x
3. Step 3: Cross multiply
   9,798.81x = 13,524.71 × 5,609.49
4. Step 4: Simplify right side
   9,798.81x = 75,866,725.50
5. Step 5: Solve for x
   x = 75,866,725.50/9,798.81
6. Step 6: Final answer
   x = 7,742.44