Finding the Fourth Proportional to 9,615.24, 13,268.66 and 5,366.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,615.24 : 13,268.66 = 5,366.09 : x
2. Step 2: Convert to fraction form
   9,615.24/13,268.66 = 5,366.09/x
3. Step 3: Cross multiply
   9,615.24x = 13,268.66 × 5,366.09
4. Step 4: Simplify right side
   9,615.24x = 71,200,830.08
5. Step 5: Solve for x
   x = 71,200,830.08/9,615.24
6. Step 6: Final answer
   x = 7,405.00