Finding the Fourth Proportional to 9,635.67, 13,296.49 and 5,386.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,635.67 : 13,296.49 = 5,386.52 : x
2. Step 2: Convert to fraction form
   9,635.67/13,296.49 = 5,386.52/x
3. Step 3: Cross multiply
   9,635.67x = 13,296.49 × 5,386.52
4. Step 4: Simplify right side
   9,635.67x = 71,621,829.09
5. Step 5: Solve for x
   x = 71,621,829.09/9,635.67
6. Step 6: Final answer
   x = 7,432.99