Finding the Fourth Proportional to 9,653.39, 13,321.93 and 5,404.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,653.39 : 13,321.93 = 5,404.43 : x
2. Step 2: Convert to fraction form
   9,653.39/13,321.93 = 5,404.43/x
3. Step 3: Cross multiply
   9,653.39x = 13,321.93 × 5,404.43
4. Step 4: Simplify right side
   9,653.39x = 71,997,438.15
5. Step 5: Solve for x
   x = 71,997,438.15/9,653.39
6. Step 6: Final answer
   x = 7,458.25